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efficiency second
draw a card if you've cast another blue spell this turn
Sacrifice another Warrior creature: Target player loses X life and you gain X life
operates in secret
Whenever a Warrior creature enters the battlefield
Containment Membrane [Mystery Booster] Human Child efficiency secondSet: Mystery Booster Type: Enchantment Aura Rarity: Common Cost: {2}{U} Surge {U} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.) Enchant creature Enchanted creature doesn't untap during its controller's untap step.
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