Runed Stalactite Combos
Malcolm, Keen-Eyed Navigator + Havoc Jester + Runed Stalactite
Malcolm, Keen-Eyed Navigator + Ingenious Artillerist + Runed Stalactite
Malcolm, Keen-Eyed Navigator + Mayhem Devil + Runed Stalactite
Malcolm, Keen-Eyed Navigator + Penregon Strongbull + Runed Stalactite
Combo result
Infinite damage. Infinite Treasure tokens. Infinite colored mana. Infinitely large Penregon Strongbull until end of turn.
Prerequisites
All permanents on the battlefield. Runed Stalactite attached to Penregon Strongbull. You control at least one additional artifact. You have at least three opponents. available.