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On an uncounterable mass card draw effect like this

Ive checked and there are plenty of blue birds that cost 5 or more and fit a Radagast build and a birds-matter build including a nice Owlbear that gives you a card back

However, it combined just fine with Tolarian Academy and High Tide to fuel combo decks which dominated their respective environments completely

Recurring removal isnt the best experience and the trigger is often a bit concealed or non-intuitive, but these are relatively light strikes given the power level of the format

Even if youre not a hard control list, youll want at least a few counterspells to protect your commander or combos