Xivu Arath, War Dominant

Flying

At the beginning of your upkeep, you may sacrifice a creature you control, then create X black and red 1/1 Insect Warrior creature tokens with haste. Sacrifice them at the end of your endphase.

Deathsong—At the beginning of your endphase, you may mill X cards, where X is equal to the number of creatures you control, and then target creatures your opponents control upto the number of cards milled, goad those creatures.