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'Whenever another creature enters, you gain 1 life.
'As this creature enters or is turned face up, put X +1/+1 counters on it, where X is the number of other creatures you control. Disguise {3}{G/W}{G/W} (You may cast...
'Vigilance Landfall — Whenever a land you control enters, exile target permanent card with mana value 3 or less from your graveyard. When this creature dies, put each permanent card...
'{2}: Regenerate this creature.
Morph {G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
'Flash
When this creature enters, target Merfolk you control gains hexproof until end of turn. (It can't be the target of spells or abilities your opponents control.)
'Whenever another Treefolk creature you control enters, you may gain life equal to that creature's toughness.
'When this creature enters, look at the top X cards of your library, where X is the number of Forests you control. You may reveal a creature card from among...
'{2}: Regenerate this creature.
Morph {G} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.)
Menace (This creature can't be blocked except by two or more creatures.) Firebending 1 (Whenever this creature attacks, add {R}. This mana lasts until end of combat.) {3}: This creature...
'When this creature enters, exile target creature an opponent controls until this creature leaves the battlefield.
'{T}: Target creature gets +1/+1 until end of turn.
'Flying This creature enters with two shield counters on it. Whenever this creature enters or attacks, you may remove a counter from a creature or planeswalker you control. If you...