Skill Successor [DP09-EN026] Rare Winged Beast it cannot attack unless this

it cannot attack unless this card has already declared an attack that turn

except a Ritual Monster

you can send 1 Spellcaster-Type monster from your Deck to the Graveyard instead

if a “Thunder Dragon” monster:(s) is Normal or Special Summoned to the field: You can target 1 Spell/Trap on the field

You must control a face-up Level 1 Fairy-Type monster to activate and to resolve this effect

Skill Successor [DP09-EN026] Rare Winged Beast it cannot attack unless thisSet: Duelist Pack 9: Yusei 2 Card type: Normal Trap Rarity: Rare Select 1 face up monster you control. It gains 400 ATK until the End Phase. You can remove from play this card in the Graveyard to give 1 face up monster you control 800 ATK until the End Phase. This effect cannot be activated the turn this card is sent to the Graveyard, and can only be activated during your turn.