It resolves even if that spell or ability is countered or otherwise leaves the stack without resolving
Notably, its the only archetype with a Mount instead of a Vehicle as one of its signpost uncommons, but Lagorin, Soul of Alacria is a strong way to start your curve
Survivors put the strength of former war mounts to good use clearing the rubble of Orazca
But the biggest appeal to Moritte of the Frost are the +1/+1 counters it enters with, ensuring this shapeshifter enters play as a significant threat and giving you a wealth of synergies to draw upon
The most important and popular formats are Commander (100 card decks, mostly casual multiplayer), Standard (60 card decks, cards more than three years old are illegal), Modern (60 card decks, cards printed before 2003 are illegal) and Draft (40 card decks, built by opening brand-new booster packs and choosing cards from what you find)
[-11]: Search your library for any number of colorless nonland cards, exile them, then Shuffle