Criatura — Cobra Fungo
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Toda vez que um oponente conjura uma mágica azul ou preta, você pode colocar um marcador +1/+1 sobre Víbora Bolorenta.
If an opponent casts a spell that's both blue and black, Mold Adder's ability triggers only once.
Mold Adder's ability resolves before the spell that caused it to trigger. It resolves even if that spell is countered or otherwise leaves the stack without resolving.