Urza's Incubator
Artifact
As Urza's Incubator enters the battlefield, choose a creature type.
Creature spells of the chosen type cost 
less to cast.
"Stop thinking like an artificer, Urza, and start thinking like a father!"—Rayne, chancellor of the Tolarian Academy
イラスト：
Commander 2015#273レア英語適正
裁定
2004年10月4日
Multiple Incubators are cumulative.
2004年10月4日
You choose a creature type right as it enters the battlefield, before any continuous effects are applied or trigged abilities trigger.