Lord of Atlantis 
Creature — Merfolk
$4.22 #4994 0.20 33.2 years
Other Merfolk get +1/+1 and have islandwalk. (They can't be blocked as long as defending player controls an Island.)
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Master of the Pearl Trident98%
$0.65↓#3505↑0.41↑14.3 years↓
"Other Merfolk creatures you control get +1/+1 and have islandwalk."
Streambed Aquitects86%
$0.16↓#18039↓0.00↓19.0 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 Mistbinder85%
$0.19↓#6425↓0.00↓8.8 years↓
"Other Merfolk you control get +1/+1."
Merfolk Sovereign80%
$0.35↓#41700.2917.3 years↓
"Other Merfolk creatures you control get +1/+1."
Deepchannel Duelist78%
$0.23↓#16989↓0.140.7 years↓
"Other Merfolk you control get +1/+1."
Attuma, Atlantean Warlord78%
$0.32↓#11398↓0.37↑0.3 years↓
"Other Merfolk you control get +1/+1."
Coralhelm Commander76%
$0.25↓#11241↓0.04↓16.5 years↓
"Other Merfolk creatures you control get +1/+1."
Mist Dancer74%
$0.29↓#54470.122.9 years↓
"Other Merfolk you control get +1/+0 and have flying."
Vodalian Hexcatcher72%
$5.28↑#46840.33↑4.1 years↓
"Other Merfolk you control get +1/+1."
Merrow Reejerey72%
$0.31↓#40200.2219.0 years↓
"Other Merfolk creatures you control get +1/+1."
Elvish Champion71%
$13.08↑#3138↑0.45↑26.0 years↓
"Other Elf creatures get +1/+1 and have forestwalk."
Deepway Navigator70%
$0.18↓#18076↓0.170.7 years↓
"As long as you attacked with three or more Merfolk this turn, Merfolk you control get +1/+0."
Goblin King70%
$3.54↓#3385↑0.64↑33.2 years
"Other Goblins get +1/+1 and have mountainwalk."