Maybe you dont
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While the lore values and strength/willpower stats are mostly obscured, we can make out the following characters: Robin Hood, Capable Fighter Minnie Mouse, Wide-Eyed Diver Bucky, Squirrel Squeak Tutor Cinderella, Knight in Training Robin Hood is a steel-aligned two-drop character with the ability Skirmish, which allows you to exert him in order to deal one damage to [another] character
SEVENS refers to it being the seventh show in the franchise as of now, with additional meanings hinted at in-universe
The spell it casts is Braingeyser, and the X in its cost allows a lot of flexibility when you need a higher mana value spell and when you dont
Based on the artwork alone, this may actually be the art for Lightning herself
