These cards can played as either a Monster in your Main Monster Zones, or as face-up Spell Card in your leftmost or rightmost Spell and Trap Zones, the Pendulum Zones
The snow duals in this set are also fetchable, and the set continues the Pathways from Zendikar Rising
which is exactly what Pandemonium players like
The first of these is that as you declare attackers, you may have any number of creatures with banding, and up to one without, become a band (702.21c)
Plus, how cool would a future Thanos card be that needs the different Infinity Stones by its side
Dragon Shield: Crypt - Matte Dual Japanese Size Card Sleeves (60ct) Dragon Shield: Crypt - Matte Dual Japanese Size Card Sleeves (60ct) Arcane Tinmen Crypt, eerie and macarbe