Relieve Monster is a Common Trap Card card from Yu-Gi-Oh! (Dragunity Legion Structure Deck, SDDL). Current market price: $0.22.
Common
Dragunity Legion Structure Deck (SDDL)
Card Text
When an opponent's monster declares an attack: Target 1 monster you control; return that target to the hand, then Special Summon 1 Level 4 monster from your hand.