Invasion

Whenever an Alien creature enters the battlefield under your control, put an invasion counter on Invasion.
Remove an invasion counter from Invasion, {t}: Chose one;
- Put a -1/-1 counter on target creature.
- Invasion deals 2 damage to target creature.
"ChaH haw' qaSpa' maH! Batlh dichDaq taH maj pop!" - Jen Vesdev