Similarly, if you sacrifice a creature to activate a mana ability while casting a spell with convoke, that creature won't be on the battlefield when you pay the spell's costs, so you won't be able to tap it for convoke
Aside from the fact that this is probably the most cataclysmic event the game has ever seen story-wise, it's also the first set in an extremely long time to introduce a new card type, as well as just generally being jam packed full of crazy legends, double sided cards, new mechanics, and more
This expansion features some powerful new cards, along with rare, full-page artwork of your favorite Disney villains and heroes
It may only trigger once per turn, but this effect is something to be reckoned with in the span of a game
The idea is simple: Get ahead on the board, then wipe everyones mana so the opponent cant catch up