more of not!moss

Poison Moss Toxic Tulip
[Level 4/DARK/Plant/Effect/1700/1000]
If the only monsters your opponent controls are monsters with lower ATK than their original ATK, you can Special Summon this card (from your hand). You can only Special Summon 1 "Poison Moss Toxic Tulip" once per turn this way. If this card is destroyed by battle and sent to the Graveyard: You can target the monster that destroyed this card; switch its ATK and DEF, and if you do, add 1 "Poison Moss" monster from your Deck to your hand, except "Poison Moss Toxic Tulip". You can only use this effect of "Poison Moss Toxic Tulip" once per turn.