At the beginning of your end step, create a 1/1 green Insect creature token for each +1/+1 counter you've put on creatures under your control this turn.
When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.When this creature dies, you may draw a card.
: Put a +1/+1 counter on another target attacking creature you control. If that creature is a Cat, it gains first strike until end of turn. (It deals combat damage before creatures without first strike.)
Search your library for a basic land card, put it onto the battlefield, then shuffle. Until end of turn, that land becomes a 4/3 Insect creature with reach and haste. It's still a land.
Swarm Shambler enters with a +1/+1 counter on it.Whenever a creature you control with a +1/+1 counter on it becomes the target of a spell an opponent controls, create a 1/1 green Insect creature token., : Put a +1/+1 counter on Swarm Shambler.
FlyingWhen Deathbringer Regent enters, if you cast it from your hand and there are five or more other creatures on the battlefield, destroy all other creatures.
When Dreadhound enters, mill three cards. (Put the top three cards of your library into your graveyard.)Whenever a creature dies or a creature card is put into a graveyard from a library, each opponent loses 1 life.
During your turn, Spiteful Prankster has first strike.Whenever another creature dies, Spiteful Prankster deals 1 damage to target player or planeswalker.
Look at the top five cards of your library. You may reveal a colorless card from among them and put it into your hand. Then put the rest on the bottom of your library in any order.