who prints mtg cards Party of Five The Magic Librarities

have stats that change depending on the number of creatures you control

And that's what I thought of after thumbing through a Commander deck and doing a quick search for the most expensive spells in Standard

Ambling Stormshell Brainstorm Crow Storm Dragonstorm Forecaster Dreadful as the Storm Echo Storm Eye of the Storm Flusterstorm Gigastorm Titan Mouth of the Storm Radstorm Roiling Dragonstorm Rooftop Storm Runescale Stormbrood Sea Gate Stormcaller Siani, Eye of the Storm Sire of the Storm Siren Stormtamer Storm Crow Storm Elemental Storm Fleet Aerialist Storm Fleet Negotiator Storm Fleet Spy Storm Sculptor Storm of Forms Storm of Saruman Stormbound Geist Stormchaser Drake Stormchaser's Talent Stormcloud Djinn Stormcloud Spirit Stormkeld Prowler Stormrider Spirit Stormscape Apprentice Stormscape Battlemage Stormscape Familiar Stormscape Master Stormsurge Kraken Stormtide Leviathan Stormwatch Eagle Stormwing Entity Sudden Storm Thryx, the Sudden Storm Volatile Stormdrake Whirlwing Stormbrood Windstorm Drake ther Storm

Second, Ghalta is a dinosaur, which means that it benefits from all of the dinosaur tribal support cards in Magic