I'm confident these will drop a couple bucks in price between now and one month post-release, but the reality is that these are always solid pulls from booster packs because they hold their value well
Stax and Prison strategies often require you to play enchantments that slow the game down, or that prevent you from being attacked
Flying Dion, Bahamut's Dominant // Bahamut, Warden of Light Rarity: Rare TYPE: Legendary Creature // Legendary Enchantment Creature SUBTYPE: Human Noble Knight // Saga Dragon CMC: 4 Mana cost: USD: $21.57 EUR: 13.86 TIX: 0.00 EDHREC RANK: 4404 (3/3) Dragonfire Dive During your turn, Dion and other Knights you control have flying
However, as with Past in Flames, the cards in your graveyard can only for one turn
Lands you control enter untapped (which is already great), and if you control five or more towns, you get a free 2/2 Elemental each combat
Its kind of like a very bad Gix, Yawgmoth Praetor, and not the kind of card you should take highly