Pioneer / Post-Modern Era

At the beginning of combat on your turn, choose a kind of counter at random that Crystalline Giant doesn't have on it from among flying, first stri...

Mutate {4}{B}{B} (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...

Whenever this creature mutates, put a +1/+1 counter on it.

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...

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...

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

Mutate {2}{B/R}{W}{W} (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 {4}{G/W}{B}{B} (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}{R/G}{U}{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 cre...

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...

Trample Cycling {1}{G} ({1}{G}, Discard this card: Draw a card.) When you cycle Titanoth Rex, put a trample counter on target creature you control.

Mutate {1}{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 creature...

Mutate {3}{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 creature on...

Deathtouch Cycling {2}{B} ({2}{B}, Discard this card: Draw a card.) When you cycle Void Beckoner, put a deathtouch counter on target creature you c...

Deathtouch Cycling {2}{B} ({2}{B}, Discard this card: Draw a card.) When you cycle Void Beckoner, put a deathtouch counter on target creature you c...

Each creature spell you cast costs {1} less to cast if it has mutate. Whenever you cast a creature spell, if it has mutate, draw a card, then disca...

Flying Whenever a creature you control without flying dies, return it to the battlefield under its owner's control with a flying counter on it.

Mutate {2}{W} (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...

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

At the beginning of combat on your turn, choose a kind of counter at random that Crystalline Giant doesn't have on it from among flying, first stri...

Companion — Each permanent card in your starting deck has an activated ability. (If this card is your chosen companion, you may cast it once from o...

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

Companion — Each permanent card in your starting deck has converted mana cost 2 or less. (If this card is your chosen companion, you may cast it on...