I would cast it, and make upwards of ten copies
Stellar Crown Build and Battle Box Stellar Crown is the seventh set from the Scarlet & Violet era, and has a pretty decent top chase in the Terapagos ex Special Illustration Rare #170
For example, if you cast Flametongue Kavu, deal damage with its enters-the-battlefield ability, exile and return it to the battlefield with Momentary Blink, deal damage again, then cast Momentary Blink with flashback on Flametongue Kavu to repeat the process one more time, you've fulfilled Case of the Burning Masks's "to solve" trigger condition
There is certainly potential for this deck to be tier one, as the engine is incredibly powerful, and not something Standard players are currently equipped to interact with
Number Four Easily the best Snake Horse Mount in the game, Caustic Bronco is an absolute powerhouse