Oracle

Enchantment - Aura 

Flash
Enchant creature
Enchanted creature gets -2/-0 and loses all abilities. (Mutating onto the creature won't give it new abilities. It can gain abilities in other ways.)

Tournooi-info

Legal in: Vintage, Legacy, Modern, Standard, Commander

Officiele rulings

4/17/2020
If the affected creature gains an ability after Mystic Subdual becomes attached to it, it will keep that ability.

4/17/2020
If a creature has power and toughness written as */* with an ability that defines its power and toughness, its base power and toughness become 0/0 when it loses all abilities. Mystic Subdual then makes it a -2/0. If its power and toughness are written as */*+1, it’s -2/1, and so on.

4/17/2020
Mutating the enchanted creature won’t cause it to gain abilities. This is because mutate modifies the creature’s base characteristics, while Mystic Subdual applies to the resulting creature.

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