If you have either of the Annas out, those lore buffs can really make a difference

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Sure, if you pull it off, you are likely to win, but if you are one mana short, you are one mana short
I dont know if this was supposed to be a card for Standard and they simply ran out of room there, and I think its an interesting ability to play around with, but to me boxed precons really shouldnt have cards that dont work in the deck they got printed in
There's no maximum deck size, as long as you can shuffle your deck in your hands unassisted