Hushwing Gryff

The 2/1 flying body is incidental; the static line is the entire reason this Hippogriff exists. Shutting off every enters-the-battlefield trigger is one of the broadest pieces of creature hate Wizards has printed, and the precision is in its scope: it silences creatures' entry triggers specifically, leaving your own noncreature value engines untouched while a Mulldrifter draws nothing and a reanimated threat arrives without its payoff. The flash is what elevates a narrow effect into a genuine answer. The window is exact, though: this prevents abilities from triggering, it does not counter triggers already on the stack. To blank a Reveillark or a Mulldrifter you have to land the Gryff before that creature enters, in response to the spell, not after it resolves; flash in too late and the trigger is already there and beyond reach. Cast in time, it pre-empts an entire subsystem at instant speed, which is the difference between owning a hate piece and using one. White has a long history of taxing and exiling its hatred, but a permanent that quietly rewrites a rules subsystem (with evasion, no activation cost, and the freedom to ambush) gave the color a different kind of tool. The fragility is the price: a 2/1 falls to nearly everything, so the card depends on holding it up until the turn its silence matters most. It is hate you deploy as a trap, and the body is just soft enough to make the timing the whole game.