Followed Manta

Flying When this creature enters, you skip your next turn. When this creature leaves the battlefield, you take an extra turn after this one.

, Sacrifice a creature: This artifact deals 1 damage to any target. Whenever a creature enters, you may untap this artifact.

Enchant creature At the beginning of your upkeep, create a token that's a copy of enchanted creature.

Creatures entering don't cause abilities to trigger.