While looking at this Possibility Storm puzzle I wondered if it would be possible to do something along those lines:
- Tap the mana dork for 1 colorless, making it 7 total mana.
- Cast Supernatural Stamina on Naru Meha, Master Wizard.
- Cast Illusionist's Stratagem on one Academy Journeymage and the Arcanist, and on top of it cast Vicious Offering, sacrificing Naru Meha as its kicker.
- Naru Meha will return on the battlefield, its ETB will then copy Stratagem, the copy targeting Naru Meha again and the same Journeymage.
- Journeymage's ETB bounces one of the opponent's creatures.
- Repeat step 4 and 5, to end the loop use the same targets as in 3.
- Attack with the unused 4/3 Journeymage.
Are these steps legal?
The puzzle, again: