mtg time spiral booster box Remastered Opening Planar Chaos MTG: TIME SPIRAL Sealed Booster

As for Collector's Cage, its main role in the deck is to cheat in Overlord of the Mistmoors

Compleat with untap shenanigans, the ability to ping herself and free-cast your own cards or voltron up and free-cast opponents' cards dare they block, and even being the first card on this list to have black in the color identity and not just be mono-blue

Remember that a very real portion of the time that you want to cast Return to the Ranks, it wont be because of a sweeper

Given how cheap the initial cost is and the big impact it has, leveling up this enchantment doesn't need to be a priority, but if you have a few creatures on the battlefield and want to let your hand build back up, you can focus on pumping mana into upgrades

But let's not daydream on future White card draw, let's talk about the card we just got