It has been in nine core sets ( Sixth Edition , Seventh Edition , Eighth Edition , Ninth Edition , Tenth Edition , Magic 2010 , Magic 2011 , Magic 2012 , and Magic 2015 ), two beginner products ( Portal and Starter 1999 ), two normal expansions ( Tempest and Odyssey ), and five supplemental sets ( Beatdown Box Set , Planechase , Magic: The GatheringCommander , Tempest Remastered , and Eternal Masters )
The card should work very well alongside creature-lands, and being able to use Granted to easily fetch and surge Crush of Tentacles the turn after you get your Fires of Invention onto the battlefield sounds potent also
Celestial Armor AND Divine Resilience Everyone loves answers to removal, mass or targeted, like this three-drop flashing Equipment that auto equips on arrival and gives it both hexproof and indestructible this turn
: Choose target commander that entered this turn
I learned from Ross Merriam that you dont need to play underpowered cards to get maximum value out of Crested Sunmare and that it can simply fit into various midrange strategies just fine