Heronblade Elite
From Midnight Hunt Commander set
Heronblade Elite
Creature — Human Warrior
1/1
Vigilance
Whenever another Human you control enters, put a +1/+1 counter on this creature.
: Add X mana of any one color, where X is this creature's power.
Rulings
- Heronblade Elite's last ability is a mana ability. It doesn't use the stack and can't be responded to. If Heronblade Elite's power is 0 or less at the time the ability resolves, no mana is added.