With a manabase in 2026 and access to increasingly strong options, these are starting to feel less good in comparison and often worse than a basic land if youre trying to curve out
Because you actually draw the cards with Brainstorm, you can "replace" two of the cards in your hand with cards that you draw
However the reserved list is not guaranteed to preserve a cards value
The card is also part of the Power Nine

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Yiazmat is extremely difficult to defeat in-game, so since you went through all the perils of completing this sidequest, now your opponents have to go through the perils of battling this nearly indestructible ultimate boss