Pay half your LP, then target 1 Normal Trap in your opponent’s GY, except «Transaction Rollback»; this effect becomes that card’s activation effect. You can banish this card from your GY and pay half your LP, then target 1 Normal Trap in your GY, except «Transaction Rollback»; this effect becomes that card’s activation effect. You can only use 1 «Transaction Rollback» effect per turn, and only once that turn.