This Mondays huge format changes appear to have done something similar
For many of the Sliver-related cards released this way, it was the first time they were available in a modern frame, not to mention being full art variants
The Mirrodin Towers ( Tower of Eons , Tower of Calamities , Tower of Champions , Tower of Fortunes ) These towers look epic, have huge activation costs, and rarely see play
Cards with multiple card types are at a premium, so the deck is full of stuff like: Solemn SimulacrumSolemn Simulacrum Dryad ArborDryad Arbor Demonic CovenantDemonic Covenant Theres plenty of self-mill to fill your graveyard: Deadbridge ChantDeadbridge Chant Nyx WeaverNyx Weaver Crawling SensationCrawling Sensation You also have a couple ways to get those cards back, like ReanimateReanimate and Whip of ErebosWhip of Erebos
Then any other player may pay 2 life