Rootha, Mastering the Moment costs {2}{U}{R}. At the beginning of combat on your turn, if you have cast an instant or sorcery this turn, you create an X/X blue and red Elemental with flying and haste, where X is the greatest mana value among the instants and sorceries you cast. The bigger the spell, the bigger the Elemental.
The precon already has the cost reducers and the finishers, including Thunderclap Drake, Dirgur Focusmage and Surge to Victory. Each swap below pairs a cut with an add, and every card is scored with the same numbers the Oracle uses to build decks: synergy and inclusion from the Rootha decks, plus lift, which shows how much more often a card turns up in Rootha decks than in decks that could play it. The precon is already close to what players build, so this guide has six swaps.
Looking for the unmodified list first? Read the Prismari Artistry precon guide.
What is holding the deck back
Not enough mana that only pays for spells
Resonating Lute makes your lands tap for two mana that can only cast instants and sorceries, and Abstract Paintmage adds {U}{R} for them every turn. They are two of the top-scoring cards the precon leaves out.
Cards that do little for the plan
Harmonic Prodigy doubles triggers of Shamans and Wizards, but Rootha is an Orc Sorcerer, so it does not double her. Throes of Chaos and Brazen Borrower are fine cards that are played in about one Rootha deck in five.
A heavy top end and slow lands
Ten nonland cards cost six or more, and Molten Tributary, Prismari Campus and Temple of Epiphany all enter tapped in a deck with 38 lands.
The 8 swaps
Each pair shows the numbers for the card coming out and the card going in. Click a card image to zoom.

Harmonic Prodigy is a 1/3 prowess creature for {1}{R} that doubles triggered abilities of Shamans and other Wizards you control. Rootha is not one of them, and it is played in about one Rootha deck in four.
Resonating Lute costs {2}{U}{R}: your lands gain "{T}: Add two mana of any one color. Spend this mana only to cast instant and sorcery spells," and {T} draws a card if you have seven or more cards in hand. It doubles your mana for exactly the cards Rootha cares about, and it is the highest-scoring card the precon is missing.

Mirrorwing Dragon is a 4/5 flier for {3}{R}{R} that copies a spell for each other creature when it is the only target. It is played in about one Rootha deck in seven.
Abstract Paintmage is a 2/2 for {U}{U/R}{R}. At the beginning of your first main phase you add {U}{R} that can only be spent on instants and sorceries. A three-drop that pays for a spell every turn.

Throes of Chaos is a four-mana sorcery with cascade and retrace, and it is played in about one Rootha deck in five.
Ashling, Rekindled costs {1}{R}. When it enters or transforms it lets you discard a card to draw a card, and for {U} at the start of your first main phase it transforms into Ashling, Rimebound, which adds two mana of any one color for spells with mana value 4 or greater. A two-drop that loots and then ramps you into the big spells.

Rootha, Mercurial Artist is a 1/4 for {1}{U}{R} that returns to your hand for {2} to copy an instant or sorcery. It is played in about one Rootha deck in five.
Ashling's Command costs {3}{U}{R} at instant speed. Choose two: copy an Elemental you control, draw two cards, deal 2 damage to each creature a player controls, or create two Treasures. Copy the Elemental Rootha made this turn and draw two.

Brazen Borrower is a 3/1 flash flier with a bounce spell, and it is played in about one Rootha deck in five. It is a good card that does not feed Rootha.
Tablet of Discovery costs {2}{R}. When it enters, you mill a card and may play it this turn. It is a cheap artifact that gives you a free card.

Solemn Simulacrum is a four-mana artifact creature that fetches a basic land and draws a card when it dies. It is played in about one Rootha deck in five, and the deck has 38 lands already.
Molten-Core Maestro is a 2/2 menace creature for {1}{R}. Whenever you cast an instant or sorcery it gets a +1/+1 counter, and if five or more mana was spent on it you add {R} equal to its power. A two-drop that grows with every spell and pays for the next one.

Plargg and Nassari is a 5/4 for {3}{R}{R} that casts free spells from each player's library at your upkeep. It is played in about one Rootha deck in four.
Full Throttle is a six-mana sorcery that gives you two additional combat phases this turn and untaps all creatures that attacked at the start of each combat. It is a mana value 6 sorcery, so it also makes a 6/6 Elemental with Rootha, and it is the highest-scoring card the precon leaves out.

Galazeth Prismari is a 3/4 flying Elder Dragon for {2}{U}{R} that makes a Treasure and lets artifacts pay for instants and sorceries. It is played in about one Rootha deck in four.
Improvisation Capstone is a seven-mana sorcery that exiles cards from the top of your library until their mana value totals 4 or more, then lets you cast any of them free. It has paradigm, so it can be cast again from exile each turn. At mana value 7 it makes a 7/7 Elemental with Rootha.
The full swap list
Cut
- Harmonic Prodigy
- Mirrorwing Dragon
- Throes of Chaos
- Rootha, Mercurial Artist
- Brazen Borrower
- Solemn Simulacrum
- Plargg and Nassari
- Galazeth Prismari
Add
- Resonating Lute
- Abstract Paintmage
- Ashling, Rekindled
- Ashling's Command
- Tablet of Discovery
- Molten-Core Maestro
- Full Throttle
- Improvisation Capstone
What to keep
These cards are doing the deck's heavy lifting. Do not cut them.
- Surge to Victory$0.28
Played in 86% of Rootha decks. Exiles an instant or sorcery from your graveyard and gives your creatures +X/+0, where X is its mana value, for a big attack with Elementals. - Dirgur Focusmage$0.29
Makes your instants and sorceries cost {1} less. - Thunderclap Drake$0.86
A flier for {1}{U} that makes your instants and sorceries cost {1} less. - Dig Through Time$0.32
Delve makes the eight-mana draw spell cost a handful of mana, and it is played in 81% of Rootha decks. - Mana Geyser$0.83
Adds {R} for each tapped land your opponents control, which is a huge burst of mana for a big spell.
If you want to spend more
These are strong but sit outside a budget upgrade. Prices are the cheapest paper printing.
- Magnus the Red$7.41
A flier that makes your instants and sorceries cost less for each creature token you control. - Quantum Misalignment$3.92
Copies a creature you control, and rebounds so you do it again next turn.
Prismari Artistry is already close to what Rootha players build, so eight swaps are enough. They add mana that only pays for instants and sorceries, creatures that grow with each spell, and a spell that copies Rootha's Elementals. These eight swaps cost about $18 in total.
Want a full 100-card list built around Rootha, Mastering the Moment from today's data?
Build with The Oracle →Frequently asked questions
What are the best upgrades for the Prismari Artistry precon?
Using data from 7,460 Rootha decks, the highest-scoring additions are Full Throttle (for Plargg and Nassari), Resonating Lute (for Harmonic Prodigy) and Ashling, Rekindled (for Throes of Chaos). The full list has 8 swaps, each scored with synergy, inclusion and lift.
How much does it cost to upgrade Prismari Artistry?
All 8 swaps cost about $18.35 at the cheapest paper printings (TCGplayer market prices via Scryfall, 2026-10-27). If you want to spend more, the guide also covers Magnus the Red ($7.41) and Quantum Misalignment ($3.92).
What should I cut from Prismari Artistry?
The weakest cards for this commander are Harmonic Prodigy, Mirrorwing Dragon and Solemn Simulacrum. The guide explains the reason for every cut, and swaps each one for a card that scores higher.
Which cards should I keep in Prismari Artistry?
Keep Surge to Victory, Dirgur Focusmage, Thunderclap Drake, Dig Through Time and Mana Geyser. These are the cards doing the deck's heavy lifting.
What does Rootha do?
Rootha, Mastering the Moment costs {2}{U}{R}. At the beginning of combat on your turn, if you have cast an instant or sorcery this turn, you create an X/X blue and red Elemental with flying and haste, where X is the greatest mana value among the instants and sorceries you cast. The bigger the spell, the bigger the Elemental.
More Secrets of Strixhaven Commander upgrade guides
How the numbers work
Inclusion is the share of Rootha, Mastering the Moment decks (7,460 of them when this was written, 2026-10-27) that play the card. Synergy is how much more often they play it than other decks in the same colours. Oracle score is synergy × 0.6 plus inclusion × 0.4, the same blend The Oracle uses to rank cards for a deck. Lift compares how often the card appears in these decks with how often it could, capped at 8× here; it is shown for context and does not change the score.
Two cautions. Players who run the precon unmodified count as Rootha decks, which flatters every card the precon contains. Lift is high for many cards here because they are rarely played outside spellslinger decks, so use lift to compare cards, not to judge one in isolation. Prices are the cheapest non-foil paper printing on TCGplayer (via Scryfall), in USD, and move daily.







