HasteWhenever Dreadhorde Butcher deals combat damage to a player or planeswalker, put a +1/+1 counter on Dreadhorde Butcher.When Dreadhorde Butcher dies, it deals damage equal to its power to any target.
When Pollenbright Druid enters, choose one —• Put a +1/+1 counter on target creature.• Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
When Fblthp, the Lost enters, draw a card. If it entered from your library or was cast from your library, draw two cards instead.When Fblthp becomes the target of a spell, shuffle Fblthp into its owner's library.
Put a +1/+1 counter on each creature you control. You may search your library and/or graveyard for a card named Gideon, the Oathsworn, reveal it, and put it into your hand. If you search your library this way, shuffle.
TrampleWhenever you cast a noncreature spell, Mizzium Tank becomes an artifact creature and gets +1/+1 until end of turn.Crew 1 (Tap any number of creatures you control with total power 1 or more: This Vehicle becomes an artifact creature until end of turn.)
When Lazotep Reaver enters, amass Zombies 1. (Put a +1/+1 counter on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.)
TrampleWhenever Storrev, Devkarin Lich deals combat damage to a player or planeswalker, return to your hand target creature or planeswalker card in your graveyard that wasn't put there this combat.
Whenever a creature you control with deathtouch deals damage to a player or planeswalker, put a +1/+1 counter on that creature.−2: Create a 1/1 black Assassin creature token with deathtouch and "Whenever this creature deals damage to a planeswalker, destroy that planeswalker."
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.