theyre creatures that reward you for playing a dragon-themed deck, either by creating more dragons or synergizing with the ones you already have
It's a lot of clicking
The super haste keyword lets you attack with Rocket-Powered Turbo Slug the turn before you cast it but if you dont pay the creatures mana cost during your next turn, you lose the game
Aerith, Last Ancient Aragorn, Company Leader Arcus Acolyte Arwen, Mortal Queen Behemoth Sledge Civil Servant Congregation Gryff Danitha, New Benalia's Light Dragonlord Dromoka Elderwood Scion Emmara, Soul of the Accord Garnet, Princess of Alexandria Ghalta and Mavren Heron's Grace Champion Jukai Naturalist Lathiel, the Bounteous Dawn Ledev Champion March of the Multitudes Merry, Warden of Isengard Polukranos, Engine of Ruin Ready // Willing Seraphic Steed Shelinda, Yevon Acolyte Shuri, the Black Panther Sigardian Paladin Tolsimir, Midnight's Light Trostani Discordant Unflinching Courage Yuna, Hope of Spira
More often than not, Embiggen will grant a creature at least +2/+2, given that many creatures have at least two creature types or have been updated to have multiple creature types
The effect to mill four at the end step can be useful for getting Rats into your hand that got removed