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Blitzball A key part of the Final Fantasy X sport that I played more than any other PS2 game I reckon, Blitzball taps for any color mana which is nice, but if you have plenty of Legendary Creature, you can use it for card draw, too
According to Magic's Head Designer Mark Rosewater, the Through the Ages bonus sheet contains cards from throughout Magic with a fun twist
The way challenging works is a ready (untapped) character exerts and chooses an opposing exerted character to challenge, and then both cards compare their strength (attack) and willpower (defense) values to each other (meaning the attacker automatically gets hit back by the defender)
Because they have to belong to specific decks, and because they play the same as regular cards, they can come across as unnecessary right now - except to those hunting for a hyper-specialized deck