Squall, SeeD Mercenary Squall here is a solid creature, with what is essentially an exalted trigger for double strike, and can resurrect small creatures if he gets through making him a potentially large source of damage and card advantage
Mythics Cloud, Midgar Mercenary Cloud, Midgar Mercenary isnt technically a bomb, but all the common equipment makes it very easy for this to be an efficient 2-for-1
For example, cards that allow you to deliberately return cards to your card - such as the item card Perplexing Signposts - or play cards for free, letting you efficiently pop Merlin, Goat in and out of your hand for a lore each time
Fun fact - this is the same as the standard MTG card size, and you'll see cards with similar dimensions in the Pokmon TCG too
Arguably, the most important tidbit from the Magic: The Gathering s Final Fantasy collab presentation is which characters from its expansive series will get nifty cards