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From $8.00
'Draw a card for each different mana value among nonland permanents you control.
From $3.50
'Counter target spell unless its controller pays {1}.
From $61.75
'Flying Whenever you gain life, put a +1/+1 counter on this creature. Whenever you put one or more +1/+1 counters on this creature, draw a card. This ability triggers only...
From $4.00
'Counter target spell unless its controller pays {1}.
From $2.75
'Whenever a player taps a land for mana, this enchantment deals 1 damage to that player.
From $4.00
'Whenever an opponent casts their first spell each turn, that player exiles the top card of their library. If it's a nonland card, you may cast it without paying its...
From $6.25
'If an opponent cast three or more spells this turn, you may pay {0} rather than pay this spell's mana cost.
Exile any number of target spells.
From $6.75
'You don't lose unspent green mana as steps and phases end.
Omnath gets +1/+1 for each unspent green mana you have.
From $147.00
'Flying, deathtouch
Whenever an opponent loses life, you gain that much life. (Damage causes loss of life.)
From $15.50
'You may exile a blue card with mana value X from your hand rather than pay this spell's mana cost.
Counter target spell if its mana value is X.
From $7.75
'You don't lose unspent green mana as steps and phases end.
Omnath gets +1/+1 for each unspent green mana you have.