Feign Death + Dualcaster Mage + Viscera Seer
Feign Death
Dualcaster Mage
Viscera Seer
Requires
Feign Death must be in hand.
Dualcaster Mage must be in hand.
Viscera Seer must be on the battlefield.
Mana needed: 
Steps
- Cast Feign Death by paying , targeting any creature.
- Holding priority, cast Dualcaster Mage by paying .
- Dualcaster Mage enters the battlefield, creating a copy of Feign Death, targeting Dualcaster Mage.
- Resolve the copy of Feign Death, causing Dualcaster Mage to return to the battlefield tapped and with a +1/+1 counter on it when it dies this turn.
- Activate Viscera Seer by sacrificing Dualcaster Mage.
- Dualcaster Mage triggers, returning itself to the battlefield tapped with a +1/+1 counter on it.
- Repeat from step 3 an arbitrarily large number of times.
- Resolve all Viscera Seer abilities, causing you to scry 1 an infinite number of times.
Results
Infinite death triggers. Infinite ETB. Infinite LTB. Infinite magecraft triggers. Infinite sacrifice triggers. Infinite scry 1.
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