Endless Atlas is a repeatable source of card draw for a small amount of mana
But discarding two cards to draw four over two turns at instant speed seems really strong, and because you aren't spending two cards to do so but just one, this is card advantage unlike most of these effects, as you are our three cards (discard two, and the Revelation) to draw four, which is good math for a non-drawing color like Red
Sometimes it's better to keep Kida for later and ink an extra three or four-cost card, rather than automatically treat her like ink
Its the most sought after Gold Star in the Dragon Frontiers expansion.
But the modern cards on this list prove that Charizard's appeal is not purely nostalgic or backward-looking
Ill put it in the fun tier, but it is close to the could be fun