Card Errata:Royal Keeper

Original Lore: PGD-018 & DB2-EN218: You can flip this card into face-down Defnese Position once per turn during your Main Phase. When this card is flipped face-up, increase the ATK and DEF of this card by 300 points until the end of the turn that this card is flipped face-up.

Errata Lore: SDZW-EN006: Once per turn, you can flip this card into face-down Defense Position. When this card is flipped face-up, it gains 300 ATK and DEF until the end of the turn. (If attacked, this effect resolves after damage calculation.)