Putrid Goblin + Renata, Called to the Hunt + Clickslither

Putrid Goblin

Renata, Called to the Hunt

Clickslither

How it works

1. Activate Clickslither by sacrificing Putrid Goblin.
2. When Putrid Goblin dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Renata.
3. Resolve the Clickslither ability.
4. Repeat.

This loop turns a restless Goblin into an endless engine of sacrifice by cleverly manipulating how counters interact on the battlefield. When you feed Putrid Goblin to Clickslither's activation, its persist trigger brings it right back from the graveyard, but Renata, Called to the Hunt steps in with her static ability to place an additional +1/+1 counter on it upon entry. Because that incoming +1/+1 counter immediately cancels out the single -1/+1 counter from persist due to state-based actions, Putrid Goblin returns fresh and ready to be sacrificed all over again. Clickslither grows to astronomical proportions in the process, turning these infinite loops of life, death, and entry into a devastatingly large attacker.