Convoke : Also on some cards If you convoke a spell, you get X for number of creatures that convoked
Mentor : When a Creature with Mentor attacks another attacking creature with lesser power gets +1/+1 counter
Surveil : Graveyard Scry, scrying but card goes to the graveyard.
Jump-Start : cast an instant or sorcery from the graveyard Discard a card as part of the cost
Undergrowth : Bonus for number of creatures in your graveyard.