FlyingProwess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)Whenever you cast an instant or sorcery spell, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step.
Equipped creature gets +3/+3.Whenever equipped creature attacks, it doesn't untap during its controller's next untap step.Whenever Stitcher's Graft becomes unattached from a permanent, sacrifice that permanent.Equip
TrampleWhenever Grim Flayer deals combat damage to a player, surveil 3. (Look at the top three cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.)Delirium — Grim Flayer gets +2/+2 as long as there are four or more card types among cards in your graveyard.
Cryptolith Fragment enters tapped.: Add one mana of any color. Each player loses 1 life.At the beginning of your upkeep, if each player has 10 or less life, transform Cryptolith Fragment.Flying, deathtouchWhenever Aurora of Emrakul attacks, each opponent loses 3 life.
When Smoldering Werewolf enters, it deals 1 damage to each of up to two target creatures.: Transform Smoldering Werewolf.Whenever Erupting Dreadwolf attacks, it deals 2 damage to any target.
: Add . Spend this mana only to cast an instant or sorcery spell.At the beginning of your upkeep, if there are three or more instant and/or sorcery cards in your graveyard, transform Curious Homunculus.Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)Instant and sorcery spells you cast cost less to cast.