pokemon cards mega ex TCG made in Japan Mega Diancie ex - ME02:

If you activate the ability on the Doppelganger-Whelp more than three times within a turn, you will have to sacrifice the Doppelganger at the end of turn even if it becomes a copy of another creature before that

I decided that I would let the stack hold cards and each Card object would hold a SpellAbility object

Shanks (English Version 2nd Anniversary Set) (OP09-001) One Piece Promotion Cards Foil Shanks (English Version 2nd Anniversary Set) (OP09-001) One Piece Promotion Cards Foil Bandai [Once Per Turn] This effect can be activated when your opponent attacks

Stores up to 160 cards in DECK PROTECTOR sleeves in side-loading pockets