Permafrost Trap 
Instant — Trap
$0.15 #26391 0.19 16.7 years
If an opponent had a green creature enter the battlefield under their control this turn, you may pay rather than pay this spell's mana cost.
rather than pay this spell's mana cost.Tap up to two target creatures. Those creatures don't untap during their controller's next untap step.
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Frost Breath96%
$0.07↓#18110↑0.2915.3 years↓
"Tap up to two target creatures. Those creatures don't untap during their controller's next untap step."
Decision Paralysis96%
$0.05↓#273970.209.5 years↓
"Tap up to two target creatures. Those creatures don't untap during their controller's next untap step."
Frostveil Ambush94%
$0.17↑#21021↑0.136.5 years↓
"Tap up to two target creatures. Those creatures don't untap during their controller's next untap step."
Succumb to the Cold92%
$0.28↑#10746↑0.53↑3.1 years↓
"Tap one or two target creatures an opponent controls. Put a stun counter on each of them."
Take into Custody91%
$0.04↓#238460.06↓9.7 years↓
"Tap target creature. It doesn't untap during its controller's next untap step."
Will of the Naga90%
$0.05↓#273090.69↑11.7 years↓
"Tap up to two target creatures. Those creatures don't untap during their controller's next untap step."
Press for Answers90%
$0.06↓#20546↑0.1210.5 years↓
"Tap target creature. It doesn't untap during its controller's next untap step."
Snow Day89%
$0.14↓#246560.155.5 years↓
"Tap up to two target creatures. Those creatures don't untap during their controller's next untap step."
Said // Done88%
$0.23↑#16543↑0.125.3 years↓
"Tap up to two target creatures. Those creatures don't untap during their controller's next untap step."
Send to Sleep88%
$0.07↓#19580↑0.1211.3 years↓
"Tap up to two target creatures."
Crippling Chill88%
$0.03↓#20002↑0.2014.5 years↓
"Tap target creature. It doesn't untap during its controller's next untap step."
Tranquilize88%
$0.14↓#13245↑0.262.3 years↓
"Tap target creature an opponent controls and put three stun counters on it."
Donatello, Rad Scientist88%
$0.35↑#18700↑0.45↑0.6 years↓
"When this card enters, tap up to three target creatures your opponents control. Put a stun counter on each of them."
Chilling Grasp87%
$0.11↓#256030.1610.2 years↓
"Tap up to two target creatures. Those creatures don't untap during their controller's next untap step."
Grip of the Roil86%
$0.05↓#243880.1310.7 years↓
"Tap target creature. It doesn't untap during its controller's next untap step."
Procrastinate86%
$0.18↑#12678↑0.230.5 years↓
"Tap target creature. Put twice X stun counters on it."
Archipelagore86%
$0.14↓#9454↑0.50↑6.5 years↓
"Whenever this creature mutates, tap up to X target creatures, where X is the number of times this creature has mutated. Those creatures don't untap during their controller's next untap step."
Saiba Trespassers86%
$0.17↑#237850.164.7 years↓
"
, Discard this card: Tap up to two target creatures you don't control. Those creatures don't untap during their controller's next untap step."
, Discard this card: Tap up to two target creatures you don't control. Those creatures don't untap during their controller's next untap step."
Lead Astray86%
$0.08↓#305310.1124.4 years↑
"Tap up to two target creatures."
Downpour86%
$0.23↑#13437↑0.2014.3 years↓
"Tap up to three target creatures."