Biomancer's Familiar [Ravnica Allegiance Prerelease Promos]Set: Ravnica Allegiance Prerelease Promos Type: Creature Mutant Rarity: Rare Cost: {G}{U} Activated abilities of creatures you control cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana. {T}: The next time target creature adapts this turn, it adapts as though it had no +1 +1 counters on it.

Set: Commander 2014 Type: Creature — Dragon Rarity: Mythic Cost: {6}{R}{R} Flash

The line between dream and death is gauzy and fragile

forming new connections

Set: POP Series 7 Type: Lightning Rarity: Rare Retreat cost: Colorless

Set: XY: Flashfire Type: Fire Rarity: Ultra Rare Retreat cost: Colorless

Sylvan Advocate and land creatures you control get +2/+2

Set: Sun & Moon: Crimson Invasion Type: Water Rarity: Rare Retreat cost: Colorless

Set: Ninth Edition Type: Sorcery Rarity: Rare Cost: {2}{W}{W} Destroy all creatures

destroy target non-Demon creature

they lose 5 life and you sacrifice Pillar Tombs of Aku

Set: Planechase 2012 Planes Type: Plane — Ravnica Rarity: Common If you cast a spell this turn

Set: Aquapolis Type: Grass Rarity: Common Retreat cost: Colorless