Since less-supported types also tend to have fewer creatures in their card pool overall, they might have certain blind spots on their mana curve or list of key effects, and they probably cannot produce many on-type creature tokens to most efficiently benefit from team-wide buffs
But if you pull it off, you may just win the duel
A 2/1 for two is already fine, and if Naban, Dean of Iteration draws you two or three extra cards over the course of the game, you've already built yourself a blue version of Dark Confidant, so perhaps there is more potential here than it looks at first glance
PHYREXIAN METAMORPH Like counterspells, blue has an affinity for clones
DOOD-JP013 Kenrantaru Erdam (Magnifistorming Erdam) Level 3 WIND Beast Effect Monster ATK 1300 DEF 800 You can only Special Summon with the (1)st effect of this cards name once per turn
Overlaps with You Have Failed Me, but it's doubtful Yubel would have spared him either way