In Magic: The Gathering Arena , Sin, Spira's Punishment is a seven-cost creature who must be cast with one blue, one green, and one black mana
When it comes to doing a quick and dirty expected-value calculation of your own, the formula is the same for rares as for mythics: add up the value of all of the rares in the set, divide by the total number of rares in the set (almost always 53), and then multiply by the number of rares you should open in a box (31.5, with the other 4.5 rare slots being filled by mythics)
The game is a fast-paced action card game for two-to-six players that will allow players to battle with classic and modern Disney characters with varying rarities such as rare, super rare, and legendary
Pantlaza's Discover ability means that each dinosaur you cast has the potential to trigger a cascade, letting you fetch up one or potentially more other random dinosaurs from your deck (worst case scenario you hit a mana rock or something)
For more cards that reward you for discarding cards, card draw is a surprisingly common payoff
Mystic Intellect is a "classic" Jeskai precon, doing what the color combination does best: casting a ton of spells
