Judge of Currents 
Creature — Merfolk Wizard
$0.27 #18639 0.00 18.9 years
Whenever a Merfolk you control becomes tapped, you may gain 1 life.
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Tributary Vaulter91%
$0.12↓#23590↓0.000.6 years↓
"Whenever this creature becomes tapped, another target Merfolk you control gets +2/+0 until end of turn."
Deeproot Pilgrimage88%
$1.69↑#4472↑0.14↑2.8 years↓
"Whenever one or more nontoken Merfolk you control become tapped, create a 1/1 blue Merfolk creature token with hexproof."
Wanderbrine Preacher82%
$0.16↓#179880.000.6 years↓
"Whenever this creature becomes tapped, you gain 2 life."
Vampire Envoy80%
$0.11↓#189140.31↑10.6 years↓
"Whenever this creature becomes tapped, you gain 1 life."
Wanderwine Hub80%
$0.83↑#13800↑0.0518.9 years
"As this land enters, you may reveal a Merfolk card from your hand. If you don't, this land enters tapped."
Deeproot Elite78%
$0.28↑#5868↑0.24↑8.6 years↓
"Whenever another Merfolk you control enters, put a +1/+1 counter on target Merfolk you control."
Jade Bearer78%
$0.06↓#22477↓0.25↑8.6 years↓
"When this creature enters, put a +1/+1 counter on another target Merfolk you control."
Jade Guardian77%
$0.17↓#25347↓0.65↑8.9 years↓
"When this creature enters, put a +1/+1 counter on target Merfolk you control."
Emmara, Soul of the Accord76%
$0.32↑#6600↑0.18↑7.9 years↓
"Whenever this card becomes tapped, create a 1/1 white Soldier creature token with lifelink."
River Sneak76%
$0.21↓#13661↑0.41↑8.9 years↓
"Whenever another Merfolk you control enters, this creature gets +1/+1 until end of turn."
Kumena's Speaker74%
$0.24↓#220670.008.9 years↓
"This creature gets +1/+1 as long as you control another Merfolk or an Island."
Deeproot Waters74%
$0.26↓#4363↑0.37↑8.9 years↓
"Whenever you cast a Merfolk spell, create a 1/1 blue Merfolk creature token with hexproof."
Merrow Commerce71%
$18.11↑#6647↑0.50↑18.9 years
"At the beginning of your end step, untap all Merfolk you control."
Deepway Navigator70%
$0.21↓#181120.000.6 years↓
"As long as you attacked with three or more Merfolk this turn, Merfolk you control get +1/+0."
Wylie Duke, Atiin Hero70%
$0.32↑#7944↑0.15↑2.4 years↓
"Whenever this card becomes tapped, you gain 1 life and draw a card."
Radha, Coalition Warlord70%
$0.08↓#186930.69↑4.0 years↓
"Whenever this card becomes tapped, another target creature you control gets +X/+X until end of turn, where X is the number of basic land types among lands you control."
Chrome Companion70%
$0.27#10124↑0.11↑1.1 years↓
"Whenever this creature becomes tapped, you gain 1 life."
Deepchannel Duelist70%
$0.27#171100.000.6 years↓
"At the beginning of your end step, untap target Merfolk you control."