Cull Obsidian

Trample, Haste
Cull Obsidian is Indestructible as long as it's attacking.
When Cull Obsidian attacks, create two 1/1
outrider creature tokens tapped and attacking.
Battalion - Whenever Cull Obsidian and at least
four other creatures attack, Cull Obsidian deals X
damage to target creature defending player
controls, where X is its power.