Riryoku Guardian

[Spell Card]

If your LP are lower than your opponent's: Target 1 monster you control with "Gate Guardian" in its original name; halve your opponent's LP, then that monster gains ATK equal to your opponent's LP. You can banish this card from your GY; add 1 of your "Sanga of the Thunder", "Kazejin", or "Suijin" that is banished or in your Deck to your hand. You can only use each effect of "Riryoku Guardian" once per turn.

MAZE OF MEMORIES