Cucco

Cucco has Steadfast X, where X is the number
of creatures you control named Cucco.
When Cucco enters the battlefield, if you didn't
cast it, it deals 1 damage to target creature that
dealt combat damage this turn.
Whenever Cucco is dealt combat damage, you
may search your library for up to three cards
named Cucco and put them onto the battlefield.
Then shuffle your library.