When this creature enters, until end of turn, target creature you control gains vigilance and gets +X/+X, where X is the number of creatures you control.
Mana cost
3
G
Mana value
4
Printings
From
$0.24
EDHREC rank
#7775
Buy
Formats
Standard
Legal
Pioneer
Legal
Modern
Legal
Legacy
Legal
Vintage
Legal
Commander
Legal
Pauper
Legal
Rulings
26 Jul 2024
The value of X is determined only as Treeguard Duo’s triggered ability resolves, potentially including Treeguard Duo itself. It won’t change later in the turn if the number of creatures you control changes.