When another face-up Dragon monster(s) return to the hand (except during the Damage Step): You can target 1 Dragonmaid Spell/Trap in your GY
Flipping Clive gets you a 9/9 that fights a creature right away, for example, while flipping Sephiroth gets you a Blood Artist Emblem
Still, with a mill engine or entomb effects, you can emulate abilities from powerful artifacts in your graveyard like Palladium Myr, Gilded Lotus, Staff of Domination, and the like
While cards like The Gitrog Monster and Ramunap Excavator can help to further support the Cat planeswalker, the Jund precon deck unfortunately wasn't as heavy on the "lands matter" theme as many players expected, which might make Lord Windgrace more of a good value card than a build-around commander
I don't believe Cephalid Coliseum (originally printed in Odyssey ) sees much competitive play, let alone casual
It is a Fighting card illustrated by Takumi Wada