We havent really seen that effect be playable, let alone good until Voracious Hydra came on the scene
The Wizard tribe is full of incredibly powerful cards that embody the play style of blue through drawing cards and countering spells
and they work with a variety of niche cards like Wrenn and Six and Baloth Prime
Thassa, Deep-Dwelling Thassa, Deep-Dwelling is one of a number of redundant blink pieces that gives you a free flicker each turn, running up against similar cards like Conjurer's Closet, Teleportation Circle, and Don & Leo, Problem Solvers
Worldly Tutor Green Sun's Zenith Chord of Calling Natural Order Survival of the Fittest Season of Growth Trail of Crumbs Treefolk Harbinger Time of Need Evolution Charm Edge of Autumn Mirri's Guile Evolutionary Leap Vivien's Arcbow Mulch Sylvan Scrying Crop Rotation Summoner's Pact Satyr Wayfinder Gather the Pack Tracker's Instincts (even without access to blue this is still quite playable, if you have other spells you Gather, if you might have blue you Instincts and if you are super keen you pack both!) 16
The booster display comes with 24 packs, with each booster packs setting you up with 12 cards, including six Common cards, three Uncommon cards, two cards of either Rare, Super Rare, or Legendary rarity, and one random foil card