Soltari Priest

Sacrifice this creature: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Creatures you control get +1/+1.

Flying (This creature can't be blocked except by creatures with flying or reach.) Sacrifice this creature: It deals 2 damage to each creature without flying. RRR: Return this card from your graveyard to your hand. Activate only during your upkeep.

Protection from black At the beginning of each end step, if this creature dealt damage to an opponent this turn, put a +1/+1 counter on it.

Other Elf creatures get +1/+1 and have forestwalk. (They can't be blocked as long as defending player controls a Forest.)