complete mtg card list Mana Crypt The NM Magic The Gathering 225 / 249 The full Amonkhet Remastered card

A lot of the playable cards that trigger proliferate are single use, and its particularly rare to find a repeatable source of proliferate for less than four or five mana per activation

Court Hussar Meddling Mage Azorious Guildmage Augury Adept Deputy of Acquittals Drogskol Captain Godhead of Awe Hanna, Ships Navigator Hindering Light Ith, High Arcanist Lyev Skyknight Render Silent Sanctum Plowbeast Sky Hussar Soverigns of Lost Alara Lavinia, the Tenth Sygg, River Guide Teferi's Moat Wall of Denial Worldpurge Plumeveil 9

ZA: Esper Charm

It gives all your creatures with deathtouch the ability to deal out two poison counters when a creature with deathtouch deals combat damage to a player

Such two-for-ones include everything from format-defining sorceries like Hymn to Tourach to sideboard standouts like Lifebane Zombie (to cards that don't blow up the opponent's hand at all)