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 ({U} magic symbol) and a permanent that can tap to produce ({R} magic symbol) .
Notable Prerequisites
You control at least two modified creatures.
Mana Needed
({U} magic symbol) ({R} magic symbol) available.
Steps
Deal combat damage to an opponent using the creature that has
Biorganic Carapace attached, triggering it.
Holding priority, activate
Tawnos by paying ({U} magic symbol) ({R} magic symbol) and tapping it, copying the creature's trigger.
Resolve the copy of the creature's ability, drawing a card for each modified creature you control.
Holding priority, activate
Mind Over Matter by discarding a card, untapping
Tawnos.
Activate
Mind Over Matter by discarding a card, untapping a mana-producing permanent.
Activate the mana-producing permanent by tapping it, adding ({UR} magic symbol) .
Repeat from step 5 one additional time.
Repeat from step 2.
Notes
Depending on how many modified creatures you control, you may draw more cards than is needed to continue the loop. You can choose to keep those cards or discard them for additional results.
Results
Infinite self-discard triggers.
Infinite draw triggers.
Infinite looting.
Near-infinite card draw.
Near-infinite untap of permanents you control.
Near-infinite mana permanents you control can produce.