Biorganic Carapace + Mind Over Matter + Tawnos, Urza's Apprentice

Prerequisites

• You control at least two modified creatures.
• Biorganic Carapace is attached to an artifact creature you control that does not have summoning sickness and that cannot be blocked by an opponent.
• You control a permanent that can tap to produce and a permanent that can tap to produce .

Steps

1. 1Deal combat damage to an opponent using the creature that has Biorganic Carapace attached, triggering it.
2. 2Holding priority, activate Tawnos by paying and tapping it, copying the creature's trigger.
3. 3Resolve the copy of the creature's ability, drawing a card for each modified creature you control.
4. 4Holding priority, activate Mind Over Matter by discarding a card, untapping Tawnos.
5. 5Activate Mind Over Matter by discarding a card, untapping a mana-producing permanent.
6. 6Activate the mana-producing permanent by tapping it, adding .
7. 7Repeat from step 5 one additional time.
8. 8Repeat from step 2.

Effects

• Infinite draw triggers
• Infinite looting
• Infinite self-discard triggers
• Near-infinite card draw
• Near-infinite mana permanents you control can produce
• Near-infinite untap of permanents you control