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'When this creature enters, add {R}{R}{R}.
'Whenever another creature you control enters, you may gain 1 life.
Whenever a creature an opponent controls enters, you may have that player lose 1 life.
'At the beginning of your end step, create X 1/1 white Spirit creature tokens with flying, where X is the number of opponents who control more lands than you.
'Echo {3} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) {1},...
'When this creature enters, you gain 1 life and draw a card.
'Vigilance
Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)
'{T}: Add {G} for each Elf on the battlefield.
{T}, Pay 3 life, Sacrifice this creature: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery. Unearth {3}{W}{B} ({3}{W}{B}: Return this card from your...
'When this creature enters, create a 5/5 black Demon creature token with flying.
At the beginning of your upkeep, you lose 2 life.
'{3}{W}, Sacrifice this creature: Destroy target enchantment.
'Flash
If a nontoken creature would enter and it wasn't cast, exile it instead.
'{T}: Add {G} for each Elf on the battlefield.