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Legality
Format | Legality |
1v1 Commander | Legal |
Canadian Highlander | Legal |
Casual | Legal |
Commander / EDH | Legal |
Commander: Rule 0 | Legal |
Custom | Legal |
Duel Commander | Legal |
Highlander | Legal |
Legacy | Legal |
Leviathan | Legal |
Limited | Legal |
Oathbreaker | Legal |
Vintage | Legal |
Cresting Mosasaurus
Creature — Dinosaur
Emerge (You may cast this spell by sacrificing a creature and paying the emerge cost reduced by that creature's converted mana cost/mana value.)
When Cresting Mosasaurus enters the battlefield, if you cast it, return each non-Dinosaur creature to its owner's hand.