Gilder Bairn, Cryptic Trilobite, and Paradise Mantle

Prerequisites

• Gilder Bairn on the battlefield
• Cryptic Trilobite on the battlefield
• Paradise Mantle on the battlefield
• Cryptic Trilobite has at least two +1/+1 counters on it
• Gilder Bairn does not have summoning sickness
• Paradise Mantle attached to Gilder Bairn
• available

Steps

1. Activate Gilder Bairn by tapping it, adding
2. Activate Gilder Bairn by paying and untapping it, doubling each counter on Cryptic Trilobite
3. Activate Cryptic Trilobite's first ability by removing a +1/+1 counter from it, adding that can only be spent to activate abilities
4. Repeat
5. Once you have infinite +1/+1 counters on Cryptic Trilobite, you may instead double the counters on any other permanent(s)

Results

• Infinite +1/+1 counters on Cryptic Trilobite
• Infinite colorless mana that can only be spent to activate abilities
• Infinite proliferate