Some of them (rainbow rares) are kind of awful, but some of them are also absolutely fantastic
Dragon Shield Art Sleeves are printed directly on the sleeve and do not peel or split
Blighted Woodland Tap to add 1 colorless Tap, pay 3 generic, pay 1 green and sacrifice it to search your library for 2 basic land cards and put them on the battlefield tapped Escape Tunnel Tap and sacrifice it to search your library for a basic land and put it on the battlefield tapped Tap and sacrifice it to make target creature with power 2 or less unblockable this turn Evolving Wilds Tap and sacrifice it to search your library for a basic land and put it on the battlefield tapped Fabled Passage Tap and sacrifice it to search your library for a basic land and put it on the battlefield tapped
Its immune to itself, since the spirit has Protection from Red, so you can use this keep Pyrohemia around no matter how much damage you dish out, or have something left over after a massive Earthquake
Jodah, Archmage Eternal In a 60 card world, Jodah is the sort of dork who can come down on turn four, and then ignite a fiery turn five with his alternate casting cost