Hallow

Damage prevention that points at the spell instead of the source: rather than fizzling the threat, it neutralizes the payload and converts it back into life. That distinction defines the card's narrow niche. Most prevention answers a creature's attack or a single point of damage; this one waits for the spell on the stack and zeroes out everything it would deal this turn, then hands you the total as life gain. Against a large burn spell aimed at your face, it both blanks the kill and swings the life total upward by the same margin, a two-step that a counterspell at the same cost cannot replicate. Its limit is its targeting clause: it only bites on damage-dealing spells, so it does nothing against a creature that resolves and attacks later, nothing against an activated ability, nothing against a spell that destroys rather than burns. That makes it a reactive answer with a tight keyhole, rewarded heavily when the keyhole lines up and dead in hand when it does not. The design lineage here is the prevention-plus-gain effect that white has returned to in various shapes over the years; this version is unusually clean because the gain is pinned exactly to damage prevented, making the swing legible the instant the spell is targeted.