General Grievous

Double strike, Trample, and Lifelink
When General Grievous enters the battlefield,
create two 2/2 colorless Separatist artifact
creature tokens.
{1}: sacrifice Separatist creature, General Grievous
gets a +1/+1 counter.
{t}{7}: look at the top 3 cards of your library, you
may play any Separatist card from among them
without paying there mana cost, then put the rest
at the bottom of your library.