Inside the Beasts Library, which has been closed off to guests for a number of years now, participants can enjoy a special show experience where an Illumineer transforms a number of characters into their differing Lorcana styles, with the help of some participants
You see the Sorcery in Commander in Green-based lists to achieve a similar effect, you trade away your mana dork for a value creature, or for a game-ending threat
They mainly used Skirge Familiar with Soul Feasts to creature a near infinite card-drawing engine
Between enter the battlefield effects, triggered abilities, and other synergies, it's often the case that playing a creature provides an opponent with much more value than just the creature's board presence
Im not sure whether theyre suitably bombs or not (playtesting is the only thing that can tell us that), but they sure seem close