Victor controls a Vedalken Orrery (
You may cast nonland cards as though they had flash). It's Daniel's turn.
Daniel swings with a Daxos of Meletis, not blocked.
The triggered ability happens.
Whenever Daxos of Meletis deals combat damage to a player, exile the top card of that player's library. You gain life equal to that card's converted mana cost. Until end of turn, you may cast that card and you may spend mana as though it were mana of any color to cast it.
The top card is a Misthollow Griffin (creature that has
You may cast Misthollow Griffin from exile.)
Daniel can play it because of Daxos, Victor can play it because of it's ability + the Orrery.
Who can cast it first?
What if Daniel also controlled a Vedalken Orrery?