
Enchantment
Creatures your opponents control enter tapped.
Whenever a creature an opponent controls enters, you gain 1 life.

Also taps opponents' creatures and artifacts entering, with lifegain via extort.

Forces opponents' creatures, artifacts, and lands to enter tapped.

All opponents' permanents enter tapped, broader stax effect.

Opponents' creatures and nonbasic lands enter tapped, slowing aggression.

White defensive piece, but better compare Imposing Sovereign for entering tapped.

Cheap creature making opponents' creatures enter tapped.

Gains life whenever any creature enters, similar life-drip engine.

White stax taxing activated abilities, slows opponents like Authority.