Sage of Mysteries
{U}
Creature — Human Wizard
Oracle Text
Constellation — Whenever an enchantment you control enters, target player mills two cards.
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.