Arcane Adaptation [Ixalan Prerelease Promos] Planechase 2012 Planes Dragons your team controls have

Dragons your team controls have double strike

sacrifice it unless you sacrifice any number of creatures with total power 12 or greater

After the destruction of Argoth

Set: Portal Type: Creature — Human Assassin Rarity: Rare Cost: {1}{B}{B} {T}: Destroy target tapped creature

({B/P} can be paid with either {B} or 2 life

Arcane Adaptation [Ixalan Prerelease Promos] Planechase 2012 Planes Dragons your team controls haveSet: Ixalan Prerelease Promos Type: Enchantment Rarity: Rare Cost: {2}{U} As Arcane Adaptation enters the battlefield, choose a creature type. Creatures you control are the chosen type in addition to their other types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.