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'Cumulative upkeep—Sacrifice a creature. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter...
'Sacrifice a creature: Add one mana of any color.
'{4}, {T}: Target opponent chooses one of the top two cards of your graveyard. Exile that card and put the other one into your hand.
'{B}: Regenerate this creature.
'Destroy all creatures, then create an X/X colorless Phyrexian Horror artifact creature token, where X is the number of creatures destroyed this way.
'Flying
{T}, Sacrifice this creature: Target creature gets -2/-2 until end of turn.
'When this creature enters, you draw two cards and you lose 2 life.
'Destroy all creatures, then create an X/X colorless Phyrexian Horror artifact creature token, where X is the number of creatures destroyed this way.
'Cumulative upkeep—Sacrifice a creature. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter...
'Whenever a nontoken creature you control dies, you gain 1 life. Then you may draw a card. If you do, discard a card. {2}, {T}, Sacrifice this artifact: Search your...
'Kicker—Pay 3 life. (You may pay 3 life in addition to any other costs as you cast this spell.) If this creature was kicked, it enters with two +1/+1 counters...
'{2}{U}{U}: Exchange control of this creature and target creature. (This effect lasts indefinitely.)