Mirror Mastery Commander Deck Upgrade Guide

Armillary Sphere is a two-mana artifact that sacrifices itself for two basic lands. It is not a card Riku decks usually play.

Coiling Oracle is a 1/1 Snake Elf Druid for {G}{U}. When it enters, you reveal the top card of your library, and if it's a land you put it onto the battlefield, otherwise you put it into your hand. A two-drop that ramps or draws, and Riku can copy it for {G}{U}.

Prophetic Prism is a two-mana artifact that draws a card and fixes. It is not a card Riku decks usually play.

Growth Spiral costs {G}{U}. You draw a card, and you may put a land card from your hand onto the battlefield. A two-mana instant that draws and ramps, and Riku can copy it for {U}{R}.

Call the Skybreaker is a seven-mana sorcery with retrace that makes a 5/5 flying Elemental. It is not a card Riku decks usually play.

Rite of Replication costs {2}{U}{U} with kicker {5}. You create a token that's a copy of target creature, or five copies if kicked. A four-mana sorcery that copies your best creature, and the highest-scoring card the precon leaves out.

Chain Reaction is a four-mana sorcery that damages each creature for the number of creatures. It is not a card Riku decks usually play.

Progenitor Mimic is a Shapeshifter for {4}{G}{U}. You may have it enter as a copy of any creature on the battlefield, except it has "At the beginning of your upkeep, if this creature isn't a token, create a token that's a copy of this creature." A six-mana clone that keeps copying itself.

Collective Voyage is a one-mana sorcery with join forces that fetches basic lands. It is not a card Riku decks usually play.

Farseek costs {1}{G}. It searches your library for a Plains, Island, Swamp or Mountain card and puts it onto the battlefield tapped. A two-mana ramp spell that fetches two of Riku's colours.

Death by Dragons is a six-mana sorcery that gives each player but one a 5/5 Dragon. It is not a card Riku decks usually play.

Mulldrifter is a 2/2 Elemental for {4}{U} with flying. When it enters you draw two cards, and it has evoke {2}{U}. A five-drop flyer that draws two, and Riku can copy it for {G}{U}.

Disaster Radius is a seven-mana sorcery that damages opposing creatures based on a revealed creature. It is not a card Riku decks usually play.

Mythos of Illuna costs {2}{U}{U}. You create a token that's a copy of target permanent, and if {R}{G} was spent to cast it the token fights up to one target creature you don't control when it enters. A four-mana sorcery that copies any permanent.

Firespout is a three-mana sorcery that damages creatures with or without flying. It is not a card Riku decks usually play.

Archmage Emeritus is a 2/2 Human Wizard for {2}{U}{U}. Magecraft: whenever you cast or copy an instant or sorcery spell, you draw a card. A four-drop that draws twice for every spell Riku copies.

Ruination is a four-mana sorcery that destroys all nonbasic lands. It is not a card Riku decks usually play.

Narset's Reversal costs {U}{U}. You copy target instant or sorcery spell, then return it to its owner's hand, and may choose new targets for the copy. A two-mana instant that copies a spell and lets you cast it again.

Savage Twister is a sorcery that deals X damage to each creature. It is not a card Riku decks usually play.

Double Major costs {G}{U}. It copies target creature spell you control, except it isn't legendary if the spell is legendary. A two-mana instant that doubles a creature spell, even a legendary one.

Vengeful Rebirth is a six-mana sorcery that returns a card and deals damage. It is not a card Riku decks usually play.

Eternal Witness is a 2/1 Human Shaman for {1}{G}{G}. When it enters, you may return target card from your graveyard to your hand. A three-drop that gets back a spell, and Riku can copy it for {G}{U}.

Aethersnipe is a six-mana 4/4 that bounces a permanent. It is not a card Riku decks usually play.

Doppelgang costs {X}{X}{X}{G}{U}. For each of X target permanents, you create X tokens that are copies of that permanent. A flexible sorcery that makes a pile of copies.