Effect
Once per turn, during either player's turn, when this face-up card on the field is targeted by a Spell Card, Trap Card, or card effect: Special Summon 1 Dragon-Type Normal Monster from your hand, Deck, or Graveyard, and make its ATK and DEF 0.
The monster effect of "Suanni, Dragon of the Hieratic Seals" is a Quick Effect.
It can be activated during the Damage Step.
It does not target.
This effect is activated in direct chain to the activation of a Spell/Trap Card that targets "Suanni, Dragon of the Hieratic Seals" face-up in the Monster Zone, the activation of a Spell/Trap effect that targets "Suanni, Dragon of the Hieratic Seals" face-up in the Monster Zone, or the activation of a monster effect that targets "Suanni, Dragon of the Hieratic Seals" face-up in the Monster Zone.
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