Other cards have activated abilities that require energy to activate
Krenko Goblins Krenko, Mob Boss | Illustration by Karl Kopinski Commander (1) Creature (26) Goblin Chirurgeon Goblin Lackey Skirk Prospector Marvin, Murderous Mimic Battle Cry Goblin Goblin Instigator Goblin Recruiter Hexing Squelcher Rundvelt Hordemaster Scuzzback Scrounger Warren Torchmaster Conspicuous Snoop Warren Instigator General Kreat, the Boltbringer Goblin Matron Goblin Sharpshooter Howlsquad Heavy Krenko, Tin Street Kingpin Molten Gatekeeper Pashalik Mons Goblin Chieftain Goblin King Goblin Warchief Hobgoblin Bandit Lord Purphoros, God of the Forge Goblin Trashmaster Sorcery (8) Gamble Goblin War Strike Shattering Spree Dragon Fodder Krenko's Command Jeska's Will Hordeling Outburst Will of the Jeskai Instant (9) Brightstone Ritual Lightning Bolt Pyroblast Redirect Lightning Battle Hymn Untimely Malfunction Chaos Warp Reiterate Zuko's Exile Enchantment (4) Goblin Bombardment Impact Tremors Shared Animosity City on Fire Artifact (16) Commander's Plate Skullclamp Sol Ring Arcane Signet Lightning Greaves Swiftfoot Boots Thornbite Staff Throne of the God-Pharaoh Ashnod's Altar Patriar's Seal Staff of Domination Thousand-Year Elixir Helm of the Host Banner of Kinship Coat of Arms Eldrazi Monument Land (36) Ancient Tomb Arena of Glory Cavern of Souls Hall of the Bandit Lord Mines of Moria Three Tree City Mountain x30 This cEDH Krenko, Mob Boss list wants to explode out of the gate, stick Krenko, and start to multiply goblins before the table can stabilize
On its own, a 1/1 that deals 1 when it enters the battlefield doesn't seem that powerful, but when combined with Witch's Oven, it could be looped every turn
Youll exile cards from graveyards and put counters on it
If the target of Yuffie's last ability is illegal as the ability tries to resolve, it won't resolve and none of its effects will happen
