
Deathtouch
Mystic Arcanum — At the beginning of your end step, exile the top card of your library. Until the end of your next turn, you may play that card.
Pact Boon — Whenever you play a card from exile, create a Treasure token.
Prosper turns your library into a perpetual card-advantage engine, exiling a card each end step you can play next turn while spawning Treasure every time you cast from exile. You ramp aggressively with those Treasures, flood the board with impulse-draw value, and convert that surplus into either a big mana payoff, an aristocrats drain, or a combo finish.
Tighten the engine with cheap impulse-draw and cost reducers (Birgi, Storm-Kiln Artist, Sol Ring, fast mana) and add a dedicated combo line like Underworld Breach + Brain Freeze or Lightning Crafter loops. Replace win-more value cards with tutors (Gamble, Vampiric Tutor) and consistent payoffs (Glint-Horn Buccaneer, Bag of Holding) so Treasures convert directly into wins. Upgrade the mana base with dual lands and fast mana to deploy Prosper and protect the engine earlier.
Seeded from a single deck — rates appear once more public decks exist.
No combos found for this commander on Commander Spellbook.
Same color identity (BR), by popularity.