yugioh card kuriboh Yu-Gi-Oh! Enamel Pin This 2.4 tall hard enamel pin features a double post on black metal with a black clutch backing. Kuriboh Card Profile : Official

The answer comes down to nostalgia and market size

Every Dragon that drops onto the battlefield from the sky will shoot one of your foes or their pawns for damage that increases based on the number of draconic forces under your control

You gain 2 life. Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Not Legal Comp

He can trigger your Infusion with his +2, nobody hates card draw, or creature destruction, and his ultimate is really a game ender

Floating mana isnt something we see on cheap cards very often, and adding mana on casting spells has proven strong in the past (Birgi, God of Storytelling immediately jumps to mind)

This is because changeling applies before the effect that removes it