Divergent Transformations
Instant
Exile two target creatures. For each of those creatures, its controller reveals cards from the top of their library until they reveal a creature card, puts that card onto the battlefield, then shuffles the rest into their library.
Legal in
Legacy, Vintage, Commander
Rulings (8)
The two creatures that are put onto the battlefield are put onto the battlefield sequentially. Triggered abilities of the second won't see the first enter the battlefield.
2016-11-08
Causing an opponent to lose the game after you've announced that you're casting a spell with undaunted and determined its total cost won't cause you to have to pay more mana.
2016-11-08
Effects that reduce what you pay to cast a spell don't affect its mana value.
2016-11-08
You can't cast Divergent Transformations without two target creatures. If a targeted creature becomes an illegal target for Divergent Transformations after it's been cast, its controller won't exile or replace that creature, but the other creature is still affected.
2016-11-08
