Pioneer / Post-Modern Era

Companion — Your starting deck contains at least twenty cards more than the minimum deck size. (If this card is your chosen companion, you may cast...

Companion — Each nonland card in your starting deck has a different name. (If this card is your chosen companion, you may cast it once from outside...

At the beginning of your upkeep, look at the top card of your library. You may put that card into your graveyard. Exile a card from your graveyard:...

Flash Whenever you cast another spell that has flash, you draw a card and each opponent loses 1 life.

Mutate {1}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on...

Mutate {3}{G/U}{G/U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the crea...

Mutate {G}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on...

Mutate {U/R}{U/R} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creatur...

Mutate {3}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on...

Mutate {3}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on...

Mutate {5}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on...

Companion — Your starting deck contains only cards with even converted mana costs. (If this card is your chosen companion, you may cast it once fro...

Companion — Your starting deck contains at least twenty cards more than the minimum deck size. (If this card is your chosen companion, you may cast...

Companion — Your starting deck contains only cards with converted mana cost 3 or greater and land cards. (If this card is your chosen companion, yo...

Mutate {1}{W/U}{R}{R} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the cre...

Mutate {3}{G/U}{G/U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the crea...

Flying, haste Whenever you cast a noncreature spell, put a +1/+1 counter on Sprite Dragon.

Flash Whenever you cast another spell that has flash, you draw a card and each opponent loses 1 life.

Flying Skycat Sovereign gets +1/+1 for each other creature you control with flying. {2}{W}{U}: Create a 1/1 white Cat Bird creature token with flying.

Mutate {2}{U/B}{G}{G} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the cre...

At the beginning of your upkeep, draw a card if you control a creature with the greatest power among creatures on the battlefield. Otherwise, put a...

Mutate {G}{U} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on...

[+1]: You gain 2 life. Add {U}, {R}, or {W}. Spend this mana only to cast a noncreature spell. [−2]: Draw a card, then you may discard a card. When...

Mutate {U/R}{U/R} (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creatur...