Suit Up clearly assists the Sidekick strategy introduced in Age of Apocalypse by allowing you to search up your identity-specific ally and the Sidekick upgrade in one shot. It can be a little tricky to manage - you need access to 7 total resources to play this, a 3-cost ally, and the 1-cost sidekick all in one turn. But if you've got a double resource in hand it can be done on turn 1. More generic Voltron strategies may run this as well if you need a certain ally like Yondu in play early. Training + Game Time decks may not care about what ally is searched for but need to see the Training early to turn on the copies of Game Time. Suit up is a great support card for adding consistency to any ally upgrade archetype!