Basalt Monolith + Zedruu the Greathearted Combos

Combo 1 with Relic Putrescence

Steps

1. Activate Basalt Monolith's first ability by tapping it, adding {C}{C}{C}. Relic Putrescence triggers.
2. Holding priority, activate Basalt Monolith's second ability by paying {3}, untapping it.
3. Repeat steps 1 and 2 eight additional times, and then repeat step 1 once. This will result in a total of ten Relic Putrescence triggers.
4. Holding priority, activate Zedruu the Greathearted by paying {U}{R}{W}, donating Basalt Monolith to an opponent.
5. Resolve all Relic Putrescence triggers, causing the opponent who controls it to get ten poison counters. They will then lose the game as a state-based action.