Just being able to replay your Instants and Sorceries from your graveyard
Meanwhile, a shadowy figure approaches the remains of Ursula's crown
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They have a willpower, but no strength which means they cannot be used to challenge characters
So while the Equipment deck is fairly well-supported, the "Power 7+ Matters" theme is mostly relevant only because of our commanders, Cloud, Ex-SOLDIER and Tifa, Martial Artist, which reward you for boosting their power to 7 and have a starting power of 4 which is high enough to quickly reach the goal with a single Hero's Blade for example
Engineered Explosives gives blue access to mass removal, can wipe out an entire board full of tokens for just two mana, gives control decks an answer to Blood Moon, and so much more