Previous Versions can be found here.
Woshua can deal 1 damage to all enemy monsters, on the field when first placed, bypassing Taunt, making it a decent card. However if against the Kindness Deck this effect is easily cancelled out due to healing.
Combos
This is widely used with Asgore to kill all monsters, or Same Fate to do the same thing. It also useful if they're any Temmie cards on the board.
Card Skins
Clean Smile
Trivia
Its happy face is actually an unused sprite.
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