When Prosperous Innkeeper enters, create a Treasure token. (It's an artifact with ", Sacrifice this artifact: Add one mana of any color.")Whenever another creature you control enters, you gain 1 life.
Whenever this creature enters or transforms into Huntmaster of the Fells, create a 2/2 green Wolf creature token and you gain 2 life.At the beginning of each upkeep, if no spells were cast last turn, transform Huntmaster of the Fells.TrampleWhenever this creature transforms into Ravager of the Fells, it deals 2 damage to target opponent or planeswalker...
Each Sliver card in each player's hand has slivercycling .Slivercycling (, Discard this card: Search your library for a Sliver card, reveal it, put it into your hand, then shuffle.)
When Llawan, Cephalid Empress enters, return all blue creatures your opponents control to their owners' hands.Your opponents can't cast blue creature spells.
All Sliver creatures have "This creature gets +1/+1 as long as you control a Swamp."All Slivers have ": Regenerate this permanent." (The next time it would be destroyed this turn, instead tap it, remove it from combat, and heal all damage on it.)
Chaotic Goo enters with three +1/+1 counters on it.At the beginning of your upkeep, you may flip a coin. If you win the flip, put a +1/+1 counter on Chaotic Goo. If you lose the flip, remove a +1/+1 counter from Chaotic Goo.
Protection from everythingIf Progenitus would be put into a graveyard from anywhere, reveal Progenitus and shuffle it into its owner's library instead.
Whenever you cast a noncreature spell, create a 1/1 colorless Servo artifact creature token.−2: Target artifact you control becomes a copy of another target artifact or creature you control until end of turn, except it's an artifact in addition to its other types.