While very conditional, lets not ignore the fact that some of the best spells in the game (never mind just the formats these two are legal in) make appearances in the maindecks and sideboards of red decks from Pauper to Commander to Legacy and Vintage
When considering the viability of a splash, players should consider the following: Does the pool include color-fixing cards like Campus Guide or ways to fetch specific basic lands like Evolving Wilds
Ultra Ball has been reprinted lots and lots of times since it first debuted in Black & White: Dark Explorers, but this is the first time it's appeared in the current Sword & Shield era, finding itself among some incredibly valuable cards
Pull rate from Regular Packs: 1.11% The estimated pull rate for Mew (Mega Shine) from a Regular Pack is approximately 1.11%, meaning you might need to open around 91 Regular Packs to obtain it
Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with Flying
Creature - Warrior Minotaur Krark, the Thumbless Whenever you cast an instant or sorcery spell, flip a coin