Malcolm, Keen-Eyed Navigator + Magmaw + Unnatural Selection + Jolene, the Plunder Queen

Malcolm, Keen-Eyed Navigator

Magmaw

Unnatural Selection

Jolene, the Plunder Queen

How it works

1. Activate Unnatural Selection by paying 1, causing Magmaw to become a Pirate until end of turn.
2. Activate Magmaw by paying 1 and sacrificing another nonland permanent, dealing 1 damage to an opponent.
3. Malcolm triggers, creating two Treasure tokens.
4. Activate a Treasure by tapping and sacrificing it, adding 1.
5. Repeat from step 2.