Boon of Boseiju - Kamigawa: Neon Dynasty - 176

Instant

Mana Cost: {1}{G}

Target creature gets +X/+X until end of turn, where X is the greatest mana value among permanents you control. Untap it.

Uncommon · Kamigawa: Neon Dynasty · #176 (NEO)

Illustrated by Anastasia Ovchinnikova