Exile any number of face-up creatures you control with disguise in a face-down pile, shuffle that pile, then cloak them
Myriad Possibilities With Muddle, the Ever-Changing in Commander Muddle, the Ever-ChangingMuddle, the Ever-Changing | Art by Andrew Mar There aren't many cards in the game that use the word muddle
Out of the Tombs Out of the Tombs is a build-around that I could see being very fun, but itll require a Cube that gives you time to crank up eon counters while also facilitating decks that are competitive against the sort of engines that make a card like this worth playing
But imagine how annoyed the opponent would be to lose in such a weird way
Invisible Stalker is optimal, having both unblockability and hexproof to push damage, but if an opponent has gained infinite life, then Blighted Agent is an excellent plan B with poison counters