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'Whenever a creature you control with power 2 or less enters, you get an experience counter. At the beginning of combat on your turn, put X +1/+1 counters on another...
'Red creature spells you cast cost {1} less to cast.
Whenever you cast a creature spell, you may discard a card. If you do, draw a card.
'Hive Mind — Whenever a player mills one or more creature cards, you create a 1/1 black Horror creature token. {1}, {T}: Target player mills three cards. Choose a Background...
'Detain up to two target creatures your opponents control. (Until your next turn, those creatures can't attack or block and their activated abilities can't be activated.)
'Equipped creature has "{2}, {T}: Tap target creature."
Equip {2}
'Flying
Sacrifice this creature: Return up to two target creatures to their owners' hands. Activate only during your upkeep.
'Whenever a creature you control enters, you may destroy target artifact or enchantment.
'[+1]: Creatures you control get +1/+0 and gain haste until end of turn. [0]: Create a 1/1 red Devil creature token with "When this token dies, it deals 1 damage...
'Colorless creatures you control get +2/+2.
Whenever you tap a permanent for {C}, add an additional {C}.
Whenever you cast a colorless spell, you gain 2 life.
'Whenever the Ring tempts you, if you chose a creature other than Aragorn as your Ring-bearer, put your choice of a counter from among first strike, vigilance, deathtouch, and lifelink...
'Sacrifice a creature: Add {C}{C}.
'{T}: Add {C}.
{T}: Each player gains control of all creatures they own.