Merlin, Rabbit is the only card that allows you to draw, and while Tiana, Celebrating Princess does provide some benefit to an empty hand, the problem is that every card you draw of the top will cost less than four ink and be fairly low impact
If you drop a creature without haste, you give them a turn to Day of Judgment
Without card draw, youre going to run out of gas incredibly quickly, and so things like Friends on the Other Side can keep you going for longer as you find your answers and generate your lore
Still, this should enable some neat blink strategies for red decks
However, the Vanish keyword makes him vulnerable to actions, while giving you options to bait your opponent into wasting powerful action cards
[1] Lorcana usually works best as a 2-player game, but you can play as many people as you want