Lightning Serpent
Creature — Elemental Serpent
Trample, haste
This creature enters with X +1/+0 counters on it.
At the beginning of the end step, sacrifice this creature.
John Avon
Rulings
If Lightning Serpent enters without X being paid because an effect puts it onto the battlefield or an effect lets you cast it without paying its mana cost, then X is 0.
(wotc • 2006-07-15)
Rulings
If Lightning Serpent enters without X being paid because an effect puts it onto the battlefield or an effect lets you cast it without paying its mana cost, then X is 0.
(wotc • 2006-07-15)