Ghave, Guru of Spores + Geralf's Messenger + Cryptic Trilobite

Prerequisites

• Geralf's Messenger does not have a +1/+1 counter on it.

Steps

1. 1Activate Ghave's second ability by paying and sacrificing Geralf's Messenger.
2. 2Geralf's Messenger's undying ability triggers, returning Geralf's Messenger from your graveyard to the battlefield with a +1/+1 counter on it.
3. 3Geralf's Messenger enters the battlefield tapped, causing an opponent to lose 2 life.
4. 4Resolve the Ghave ability, putting a +1/+1 counter on Cryptic Trilobite.
5. 5Activate Cryptic Trilobite by removing a +1/+1 counter from it, adding that can only be spent to activate abilities.
6. 6Activate Ghave's first ability by paying and removing a +1/+1 counter from Geralf's Messenger, creating a 1/1 Saproling creature token.
7. 7Repeat.

Effects

• Infinite +1/+1 counters on creatures you control
• Infinite colorless mana that can only be spent to activate abilities
• Infinite creature tokens
• Infinite ETB
• Infinite lifeloss
• Infinite LTB