Master of the Pearl Trident 
Creature — Merfolk
$0.69 #3481 0.26 14.1 years
Other Merfolk creatures you control get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)
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Lord of Atlantis98%
$4.37↑#5029↓0.37↑33.1 years↑
"Other Merfolk get +1/+1 and have islandwalk."
Merfolk Mistbinder88%
$0.19↓#6272↓0.60↑8.6 years↓
"Other Merfolk you control get +1/+1."
Streambed Aquitects86%
$0.17↓#17744↓0.07↓18.9 years↑
"
: Target Merfolk creature gets +1/+1 and gains islandwalk until end of turn."
: Target Merfolk creature gets +1/+1 and gains islandwalk until end of turn."
Merfolk Sovereign85%
$0.30↓#41330.2517.1 years↑
"Other Merfolk creatures you control get +1/+1."
Deepchannel Duelist84%
$0.27↓#17110↓0.00↓0.6 years↓
"Other Merfolk you control get +1/+1."
Attuma, Atlantean Warlord80%
$0.29↓#12425↓0.00↓0.2 years↓
"Other Merfolk you control get +1/+1."
Coralhelm Commander80%
$0.23↓#11047↓0.2916.4 years↑
"Other Merfolk creatures you control get +1/+1."
Mist Dancer76%
$0.29↓#5390↓0.182.8 years↓
"Other Merfolk you control get +1/+0 and have flying."
Merrow Reejerey76%
$0.27↓#39950.2618.9 years↑
"Other Merfolk creatures you control get +1/+1."
Deepway Navigator75%
$0.21↓#18112↓0.00↓0.6 years↓
"As long as you attacked with three or more Merfolk this turn, Merfolk you control get +1/+0."
Vodalian Hexcatcher74%
$4.66↑#4686↓0.71↑4.0 years↓
"Other Merfolk you control get +1/+1."