token doubling cards mtg Treasure // Map Double-Sided [Outlaws of Thunder Junction Tokens Rock // Spirit Double-Sided Token

Discounting important issues like the impact the series has on local game stores and looking at the drops purely from a financial perspective, the answer is a solid maybe

Miracle appears on instants and sorceries and provides an alternative cost for casting the spellif you can jump through one little hoop

Cloudstone Curio Cloudstone Curio from Ravnica: City of Guilds is another infinite combo enabler, though a little trickier to use since it usually requires three separate cards to work

Commit / Memory Commit / Memory sees play in Explorer and Pioneer as a way to deal with uncounterable spells

one cast Traverse the Ulvenwald for a Manglehorn when he was already dead on the battlefield