Black Garden Secret Rare

If a monster(s) is Normal or Special Summoned face-up, except by the effect of "Black Garden": Halve its ATK, also you Special Summon 1 "Rose Token" (Plant/DARK/Level 2/ATK 800/DEF 800) to its controller's opponent's side of the field, in Attack Position. (This ATK loss remains even if this card leaves the field.) You can target 1 monster in your Graveyard with ATK equal to the total ATK of all Plant monsters on the field; destroy this card and as many Plant monsters on the field as possible, then, if the total ATK the destroyed monsters had on the field is equal to that target's ATK. Special Summon that targeted.