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'Activated abilities of creatures you control cost {X} less to activate, where X is Agatha's power. This effect can't reduce the mana in that cost to less than one mana....
Flash Flying When Aang enters, airbend up to one other target creature or spell. (Exile it. While it's exiled, its owner may cast it for {2} rather than its mana...
'Flying
When this creature enters, sacrifice any number of artifacts, enchantments, and/or tokens, then draw that many cards.
'Whenever an enchantment you control is put into a graveyard from the battlefield, each opponent loses 1 life.
'Haste Celebration — As long as two or more nonland permanents entered the battlefield under your control this turn, Goddric is a Dragon with base power and toughness 4/4, flying,...
'Whenever an enchantment you control enters, scry 1.
{2}{W}: This creature gets +1/+1 until end of turn for each enchantment you control.
'Whenever a source you control deals noncombat damage to an opponent, you may exile that many cards from the top of your library. You may play those cards this turn.
'Create a Monster Role token attached to target creature you control. When you do, that creature fights up to one target creature you don't control. (If you control another Role...
'When this creature enters, create a 1/1 black Rat creature token with "This creature can't block." Then for each Rat you control, create a Wicked Role token attached to that...
'When this creature enters, you may return another target nonland permanent you control to its owner's hand. If you do, scry 2.
'When this enchantment enters, create a Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.") Foods you control have "{T}: Add {G}." {5}{G}{G}, Sacrifice...