For a mana more, you have 50% chance your Eerie Interlude malfunctions and gives you an instant flicker before resolving the end step flicker effect
Moreover, it might not slot into blue-based decks but rather black-based non-blue, such as Orzhov Blade or Mardu Synth
If blue gets involved as a primary or secondary color, the profile of the deck tends to shift more towards tempo using more interaction cards like Aether Spike and ground blockers like Emissary of Soulfire to slow down opponents while your flyers do the damage
Go-Shintai of Life's Origin and Shrines The Go-Shintais, Hondens, and Sanctums are cycles of shrines that all get better with each other and need all colors to be optimized
Gallery[] Arena is Compleat as part of New Phyrexia's Invasion of the Multiverse
Everyones favorite demonic planeswalker is completely dominating the first week of Arena ladders