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'Whenever a player casts a green spell, you may gain 1 life.
'Haste (This creature can attack and {T} as soon as it comes under your control.)
'This creature can't block.
'As this artifact enters, choose a color.
Whenever a player casts a spell of the chosen color, you may pay {2}. If you do, you gain 2 life.
'Whenever this creature becomes blocked, it gets -2/-1 until end of turn for each creature blocking it beyond the first.
'Flying
Whenever this creature attacks, attacking creatures gain flying and lifelink until end of turn.
'Haste When this creature enters, you may search your library for a card named Avarax, reveal it, put it into your hand, then shuffle. {1}{R}: This creature gets +1/+0 until...
'Whenever this creature attacks, target creature an opponent controls gets -2/-0 until end of turn.
'{1}{B}, Sacrifice another creature: Put two +1/+1 counters on this creature. Activate only as a sorcery.
'Vigilance Hydra spells you cast cost {4} less to cast. Whenever a creature you control becomes the target of a spell, Gargos fights up to one target creature you don't...
'Flying, vigilance
{T}: When target creature other than this creature dies this turn, return that card to the battlefield under your control.