Worldwalker Helm - The Big Score - 7

Artifact

Mana Cost: {2}{U}

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.

Mythic · The Big Score · #7 (BIG)

Illustrated by Camille Alquier