It comes pre-loaded with 50 double-sided sheets (9 pockets per side) to hold up to 900 cards, giving you the flexibility to add or remove pages as your collection grows
I think some of these cards, like Sephiroth and Vivi Ornitier, have real potential to become Modern staples down the line
If the triggered ability triggers more than three times in a turn, no mode can be chosen for any instances of the ability after the third, and those will be removed from the stack and do nothing
Then, on their next turn, they can choose to attack their opponent with that creature
Printing is rude like that
Attunement fits this bill, but it combines with Replenish to bring all those discarded enchantments (you were discarding enchantments, right?) back into play in one fell swoop