Skystreamer
{4}{W}
Creature — Griffin
Oracle Text
Assist (Another player can pay up to {4} of this spell's cost.)
Flying
When this creature enters, target player gains 4 life.
Watch Out
ETB trigger, not a cast triggerRules Note
This card's ability triggers when it enters the battlefield, not when it's cast. Effects that double ETB triggers (like Panharmonicon) work here. Countering the spell prevents the creature from entering, so the ETB won't fire.