Jetmir, Nexus of Revels - 193 M SNC

Creatures you control get +1/+0 and have vigilance as long as you control three or more creatures.
Creatures you control also get +1/+0 and have trample as long as you control six or more creatures.
Creatures you control also get +1/+0 and have double strike as long as you control nine or more creatures.

mythic
Legendary Creature — Cat Demon
From the Magic: The Gathering set Streets of New Capenna.