Tiduss mechanics of passing counters around is a reference to the sphere grid and I believe the card draw is a representation of scoring points in Blitzball

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Luckily for you, we got an early look at some of the cards, mechanics, and products coming with the set
Once you choose to do so, the ability will no longer trigger for the rest of the turn
Fury of the Horde Extra combat spells are popular, but there are a lot of them available these days
Many players (the ones who think Cranial Extraction is always bad probably) are going to point out that it does half the damage, which is obvious, but miss the fact that it is "free" in that it doesnt cost a card (only a mana) and that you actually get some beatdown resistance