World Legacy - "World Key" is a Common Effect Monster card from Yu-Gi-Oh! (Chaos Impact, CHIM). Current market price: $0.11.
Common
Chaos Impact (CHIM)
Card Text
You can discard 1 "World Legacy" card; you can Tribute Summon 1 monster during your Main Phase this turn, in addition to your Normal Summon/Set. (You can only gain this effect once per turn.) At the start of the Damage Step, if this card battles an opponent's Link Monster: You can return that monster to the Extra Deck. You can only use each effect of "World Legacy - "World Key"" once per turn.
