Whenever you cast a blue spell, if Hydro-Man is a creature, he gets +1/+1 until end of turn.
At the beginning of your end step, untap Hydro-Man. Until your next turn, he becomes a land and gains "{T}: Add {U}." (He's not a creature during that time.)
Mana cost
U
U
Mana value
2
Printings
From
$0.42
EDHREC rank
#12007
Buy
Formats
Standard
Legal
Pioneer
Legal
Modern
Legal
Legacy
Legal
Vintage
Legal
Commander
Legal
Rulings
19 Sept 2025
The effect of Hydro-Man's last ability ends as your turn begins. There is no opportunity to tap Hydro-Man for {U} once your turn has started.
19 Sept 2025
After the triggered ability resolves during your end step, however, you may tap him for {U}, even if he entered the battlefield this turn.