Boon of Boseiju

Condition: Near Mint
Color: Green
Card Text: Target creature gets +X/+X until end of turn, where X is the greatest mana value among permanents you control. Untap it.
Rarity: U
Cost: 1G
Card Type: Instant
Artist: Anastasia Ovchinnikova
Name: Boon of Boseiju
Finish: Regular
Card Number: 176/302 
Set Name: Kamigawa: Neon Dynasty