15 Sept 2013
Daxos doesn't change when you can cast the exiled card. For example, if you exile a creature card without flash, you can cast it only during your main phase when the stack is empty.
15 Sept 2013
If Daxos is blocked by a creature, raising that creature's power to 3 or greater won't change or undo the block.
15 Sept 2013
If the exiled card is a land card, you won't gain any life and you won't be able to play the land.
15 Sept 2013
You must pay all costs to cast the exiled card. You may pay alternative or additional costs. If the card has any mandatory additional costs, you must pay those.