Enchantment You may cast spells from your hand without paying their mana costs
Though including Lugia from the second movie, it is a VERY close contender, even a toss-up with Gen 3
If the target creature is already tapped as Freeze in Place resolves, you will still put three stun counters on it
Sacrificing an artifact, such as a Treasure token, to create mana that you used to pay an activation cost doesn't count
Less commonly, any time a player controls a permanent with nightbound, if it's neither day nor night and there are no permanents with daybound on the battlefield, it becomes day
The Wall Border Fortress 222/204 Along with introducing Locations into the game in Into the Inklands, Lorcans third set also introduced new Enchanted cards for songs, locations and items