Worldwalker Helm (Outlaws of Thunder Junction: The Big Score)

If you would create one or more artifact tokens, instead create those tokens plus an additional Map token. (It's an artifact with "{1}, {T}, Sacrifice this token: Target creature you control explores. Activate only as a sorcery.") {1}{U}, {T}: Create a token that's a copy of target artifact token you control.

NM - $4.00
LP - $3.00
MP - $2.50
HP - $2.00
DMG - $2.00