Tiamat, Mother Monsters

Menace, first strike, trample
Whenever a permanent is sacrificed create a 2/2
black/green Beast creature token with
"{1}{b/g}{b/g}: Monstrosity 3.".
Monstrous creatures you control have Haste,
Menace, Trample, and Lifelink.
Sacrifice another creature: Put a +1/+1 counter
on this creature, it has Indestructible and Haste
until end of turn.