You could trade off your creaturesbut, if you just wait one turn, the Inquisitor virtually negates the 2/2 on Gaston's side of the board from attacking you
and Poor Unfortunate Souls, a 2-cost Song that bounces a character, item, or location with cost 2 or less back to the owner's hand
Being able to turn a creature into two colorless mana can ramp you up exponentially, especially when you have a way to continuously make new token creatures to sacrifice to it
The rest of the Disney Lorcana promos from the D23 event all fetch significant costs, and of course, arent meant to be played with
For two mana you get to look at the top three cards of your library and take two of those cards, the minor downside being that you must play one of them this turn
The Consistency Problem Broadly speaking, cantrips are cheap instants and sorceries which serve to provide their caster with some form of information or card selection, alongside a neutral return on card investment