Infinite artifact ETBInfinite artifact LTBInfinite artifact sacrifice triggersInfinite creature ETBInfinite creature LTBInfinite combat damageInfinite combat phasesInfinite death triggersInfinite mana creatures you control can produceInfinite creature sacrifice triggersInfinite untap of creatures you control
How it works
Deal combat damage to an opponent using Donatello and the creature that has Breath of Fury attached, triggering Donatello and Breath of Fury.
Resolve the Donatello trigger, creating a token copy of the artifact creature.
Resolve the Breath of Fury trigger, causing you to sacrifice the creature it is attached to, then attach Breath of Fury to the artifact creature token, then causing you to untap all creatures you control and to get an additional combat phase after this one.
Repeat each combat phase
This cunning loop hinges on granting Donatello, Gadget Master and token copies haste via Samut, Tyrant Smasher, allowing them to crash in unblocked and deal combat damage. When Donatello connects, he duplicates your chosen artifact, while the attached Breath of Fury demands you sacrifice the damaged creature to untap your board, chain an additional combat phase, and leap onto the freshly minted artifact token. Because Samut's static ability ensures your entire army remains swift and ready for action across these endless extra phases, you can repeat this cycle indefinitely to overwhelm your opponents with boundless combat steps and artifact triggers.