Dauthi Mercenary

Shadow (This creature can block or be blocked by only creatures with shadow.)
: Dauthi Mercenary gets +1/+0 until end of turn.

Avenging Angel

Flying
When Avenging Angel dies, you may put it on top of its owner’s library.

Maraxus

Creatures you control get +1/+0.

Serra

Creatures you control get +0/+2.