transmute cards mtg Artifact | Antiquities Switch target creature’s power and toughness until end of turn. Rules Text: Transmute, 15 cards

Theres not too much else to say about tiered, as the mechanic only appears on a handful of uncommons and commons, notably Thunder Magic

Exiling is possible via cards like Chrome Mox, delving it, or hating it via Faerie Macabre

It offers incredible land recursion for multicolored decks with fetch lands and can help mill the top of your library after a Brainstorm

Helga Sinclair Femme Fatale has a pretty exciting ability that could pair well with other damage focused cards scattered throughout the Emerald Ink type

In fact, the flavor text reveals that Goblin Spy isnt even trying to spy on the correct target

It is an automatic include in every oldschool deck