Gummy Slime Shield (S-BT02A-UB04/0037EN) (S-BT02A)

You may only cast this card during an attack on your opponent's turn.
[Cast Cost] [Put a monster from your drop zone on the bottom of your deck]
[Counter] Nullify the attack. Then, if an "Adventurer" is on your field, put the top card of your deck into your gauge, you gain 1 life, and if a "Dungeon Enemy" is on your field, draw a card, and this card cannot be nullified.