Izanagi-no-Okami

Soulbond
As long as Izanagi-no-Okami is paired with Yu Narukami, each of those creatures gets +5/+5
and double strike.
Partner with Yu Narukami
{x}{x}, {t}, Tap two other creatures you control:
Destroy each creature with converted mana cost X. Activate this ability only once each turn.