Aetherdrawn Rageclaw

Convoke (Your creatures can help cast this spell.
Each creature you tap while casting this spell pays
for {1} or one mana of that creature's color.)
Rally - Whenever Aetherdrawn Rageclaw or another ally enters the battlefield under your control, creatures you control get +1/+0 and gain first strike until end of turn.
"Our spiritdancer taught us how to summon them in our time of need." - Lorra, Kor Duelist