magic the gathering brothers war booster box Brothers' Set Pack The Brothers’ War Bundle contains 8 The Brothers’ War Set Boosters—the best boosters to open just for fun—plus accessories The Brothers' War - Collector

If this spell was cast from exile, you gain twice X life

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Just within Avatar theres Waterbending, but Convoke gives you another excellent way to set them up

It also has a niche effect of being immune to activated effects unless they specifically target it.

Its hardly a game changer