Jetmir, Nexus of Revels (Showcase Golden Age Gilded Foil) [Streets of New Capenna] The Brothers' War that source's controller sacrifices that

that source's controller sacrifices that many permanents

then each opponent who didn't discard a nonland card this way loses 3 life

Set: Streets of New Capenna Commander Type: Enchantment Rarity: Rare Cost: {1}{R}{W} When Prosperous Partnership enters the battlefield

sleeper agent

the Ravager enters the battlefield

Jetmir, Nexus of Revels (Showcase Golden Age Gilded Foil) [Streets of New Capenna] The Brothers' War that source's controller sacrifices thatSet: Streets of New Capenna Type: Legendary Creature Cat Demon Rarity: Mythic Cost: {1}{R}{G}{W} 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.