Reverse Engineer [Commander Masters] Germ Whenever you cast a spell

Whenever you cast a spell during an opponent's turn

Set: Multiverse Legends Type: Legendary Creature — Monkey Pirate Rarity: Mythic Cost: {R} Whenever Ragavan

instead each opponent sacrifices half the creatures they control

then roll a six-sided die

Set: March of the Machine Commander Type: Land Rarity: Rare Temple of Epiphany enters the battlefield tapped

Reverse Engineer [Commander Masters] Germ Whenever you cast a spellSet: Commander Masters Type: Sorcery Rarity: Common Cost: {3}{U}{U} Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for 1.) Draw three cards. The Hold, an illegal research facility in a derelict merchant ship, became a wellspring of renegade intelligence.