Nullify 
Instant
$0.05 #18213 0.47 12.6 years
Counter target creature or Aura spell.
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"Counter target creature spell."
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"Counter target creature spell. Create a 2/2 blue Illusion creature token."
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"Counter target creature spell."
Withering Boon76%
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"Counter target creature spell."
Avoid Fate76%
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"Counter target instant or Aura spell that targets a permanent you control."
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"Counter target creature spell. Put a +1/+1 counter on up to one target creature you control."
Geist Snatch75%
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"Counter target creature spell. Create a 1/1 blue Spirit creature token with flying."
Trap Essence74%
$0.20↑#157920.25↓11.9 years
"Counter target creature spell. Put two +1/+1 counters on up to one target creature."
Mystic Denial73%
$0.17↑#28690↓0.4729.3 years↑
"Counter target creature or sorcery spell."
Ojutai's Command72%
$0.33↑#152690.06↓11.4 years↓
"• Counter target creature spell."
Soul Manipulation71%
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"• Counter target creature spell."
Ring of Immortals70%
$28.18↑#26233↓0.13↓32.3 years↑
"
, 
: Counter target instant or Aura spell that targets a permanent you control."
, : Counter target instant or Aura spell that targets a permanent you control."
Fangkeeper's Familiar70%
$0.22↑#10933↑0.28↓1.4 years↓
"• Counter target creature spell."
Long River's Pull70%
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"Counter target creature spell. If the gift was promised, instead counter target spell."
Deny Entry70%
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"Counter target creature spell. Draw a card, then discard a card."