Tishana's Tidebinder 
Creature — Merfolk Wizard
$2.04 #2819 0.55 2.9 years
Flash
When this creature enters, counter up to one target activated or triggered ability. If an ability of an artifact, creature, or planeswalker is countered this way, that permanent loses all abilities for as long as this creature remains on the battlefield. (Mana abilities can't be targeted.)
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Stuck in Summoner's Sanctum80%
$0.16↓#10769↓0.611.4 years↓
"Flash"
Utter Insignificance78%
$0.14↓#7167↓0.40↓2.3 years
"Flash"
Sister of Silence78%
$0.41↓#12962↓0.00↓4.0 years↑
"Flash"
Fresh Start78%
$0.29↓#12742↓0.68↑1.5 years↓
"Flash"
Eaten by Piranhas77%
$0.28↓#3952↓0.34↓2.9 years
"Flash"
Noggle the Mind75%
$0.18↓#10850↓0.460.7 years↓
"Flash"
Azure Beastbinder74%
$0.50↓#4196↓0.30↓2.2 years
"Whenever this creature attacks, up to one target artifact, creature, or planeswalker an opponent controls loses all abilities until your next turn. If it's a creature, it also has base power and toughness 2/2 until your next turn."
Ray of Frost74%
$0.14↓#23944↓0.12↓5.2 years↑
"Flash"
Trickbind73%
$10.50↑#6550↓0.6420.0 years↑
"Counter target activated or triggered ability. If a permanent's ability is countered this way, activated abilities of that permanent can't be activated this turn."
Stifle72%
$10.19↑#4593↓0.71↑23.4 years↑
"Counter target activated or triggered ability."
Portal Mage72%
$0.24↓#10519↓0.29↓9.2 years↑
"Flash"
Rust71%
$0.54↓#28266↓0.06↓32.4 years↑
"Counter target activated ability from an artifact source."
Stop Cold71%
$0.16↓#16040↓0.25↓2.5 years
"Flash"
Green Slime70%
$1.66↓#5603↓0.06↓4.4 years↑
"When this creature enters, counter target activated or triggered ability from an artifact or enchantment source. If a permanent's ability is countered this way, destroy that permanent."
+1 more matching line
Burden of Proof70%
$0.04↓#23477↓0.562.7 years
"Flash"
Observed Stasis70%
$0.23↓#5262↓0.22↓1.4 years↓
"Flash"