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'Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)
'Whenever an artifact you control enters, this creature deals 1 damage to each opponent.
'Umbris gets +1/+1 for each card your opponents own in exile. Whenever Umbris or another Nightmare or Horror you control enters, target opponent exiles cards from the top of their...
'This creature gets +1/+1 as long as you control another artifact.
'Corrupt deals damage to any target equal to the number of Swamps you control. You gain life equal to the damage dealt this way.
'This creature enters prepared.
Whenever you scry or surveil, creatures you control get +1/+0 until end of turn. This ability triggers only once each turn.
'Target permanent you control gains hexproof and indestructible until end of turn. You gain 2 life. (A permanent with hexproof and indestructible can't be the target of spells or abilities...
'This creature has haste as long as you control another Goblin.
{T}, Sacrifice another Goblin: Add {B}{R}.
'Reach Whenever you scry, if Legolas is tapped, you may untap it. Do this only once each turn. Whenever a creature an opponent controls dies, put a +1/+1 counter on...
'Tendrils of Corruption deals X damage to target creature and you gain X life, where X is the number of Swamps you control.
This spell costs {X} less to cast, where X is the number of differently named lands you control.
'When this creature enters, you may have it fight target creature you don't control. (Each deals damage equal to its power to the other.)