Gren, Tactician of Dark World is a Common Effect Monster card from Yu-Gi-Oh! (Gates of the Underworld Structure Deck, SDGU). Current market price: $0.10.
Common
Gates of the Underworld Structure Deck (SDGU)
Card Text
If this card is discarded to the Graveyard by a card effect: Target 1 Spell/Trap Card on the field; destroy that target.
