There Can Be Only One is a Rare Trap Card card from Yu-Gi-Oh! (Maximum Gold, MAGO). Current market price: $0.14.
Rare
Maximum Gold (MAGO)
Card Text
Each player can only control 1 monster of each Type. If a player controls 2 or more monsters of the same Type, they must send some to the GY so they control no more than 1 monster of that Type.
