Aid of Ares

Attacking creatures you control have deathtouch.

{1}{g},{t}: Choose one - Put a +1/+1 counter on target creature; or Aid of Ares deals 2 damage to target creature with flying; or you gain 3 life; or put
up to four target cards from your graveyard on the bottom of your library in any order.

Blood and death, together hand in hand!