Impending 8 — {B}{B}{B} (If you cast this spell for its impending cost, it enters with eight time counters and isn’t a creature until the last is removed. At the beginning of your end step, remove a time counter from it.)

Flying, indestructible

Whenever Atmos enters or attacks, each opponent sacrifices a nonland permanent with the highest mana value among permanents they control.

Whenever you cast an enchantment spell, each opponent loses 1 life and you quicken 1.

10/10