Ruin Crab 
Creature — Crab
$1.09 #1306 0.68 6.1 years
Landfall — Whenever a land you control enters, each opponent mills three cards. (To mill a card, a player puts the top card of their library into their graveyard.)
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Cards similar to Ruin Crab expected a card that isn't here?
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Hedron Crab90%
$2.95↑#13980.6217.0 years↑
"Whenever a land you control enters, target player mills three cards."
Return of the Mole Man81%
$4.81↑#17481↓0.39↓0.3 years↓
"Whenever a land you control enters, you may mill two cards."
Elfsworn Giant79%
$0.32↓#4852↓0.18↓1.9 years↓
"Whenever a land you control enters, create a 1/1 green Elf Warrior creature token."
Sporemound79%
$0.16↓#3681↓0.15↓13.3 years↑
"Whenever a land you control enters, create a 1/1 green Saproling creature token."
Zendikar's Roil79%
$0.76↓#2191↓0.19↓11.3 years↑
"Whenever a land you control enters, create a 2/2 green Elemental creature token."
Wandering Troubadour79%
$0.17↓#17154↓0.00↓5.2 years
"At the beginning of your end step, if you had a land enter the battlefield under your control this turn, venture into the dungeon."
Rampaging Baloths78%
$0.28↓#386↑0.51↓17.0 years↑
"Whenever a land you control enters, create a 4/4 green Beast creature token."
Sphinx Mindbreaker78%
$3.42↑#15193↓0.31↓6.7 years
"When this creature enters, each opponent mills ten cards."
Grazing Gladehart78%
$0.12↓#10818↓0.00↓17.0 years↑
"Whenever a land you control enters, you may gain 2 life."
Eumidian Terrabotanist78%
$0.34↓#6609↓0.06↓1.2 years↓
"Whenever a land you control enters, you gain 1 life."
Kazandu Nectarpot78%
$0.12↓#6454↓0.17↓6.1 years
"Whenever a land you control enters, you gain 1 life."
Icecave Crasher78%
$0.11↓#20954↓0.16↓1.2 years↓
"Whenever a land you control enters, this creature gets +1/+0 until end of turn."
Attercop78%
$0.20↓#16762↓0.10↓0.2 years↓
"Whenever a land you control enters, this creature gets +1/+1 until end of turn."
Scythe Leopard78%
$0.05↓#20611↓0.19↓11.0 years↑
"Whenever a land you control enters, this creature gets +1/+1 until end of turn."
Makindi Sliderunner78%
$0.14↓#24590↓0.00↓11.0 years↑
"Whenever a land you control enters, this creature gets +1/+1 until end of turn."
Hedron Scrabbler78%
$0.08↓#24322↓0.06↓17.0 years↑
"Whenever a land you control enters, this creature gets +1/+1 until end of turn."
Tunneling Geopede77%
$0.33↓#4918↓0.27↓11.0 years↑
"Whenever a land you control enters, this creature deals 1 damage to each opponent."
Spitfire Lagac77%
$0.16↓#3917↓0.27↓6.1 years
"Whenever a land you control enters, this creature deals 1 damage to each opponent."
Sabotender77%
$0.26↓#2292↓0.36↓1.4 years↓
"Whenever a land you control enters, this creature deals 1 damage to each opponent."
Remnant Elemental77%
$0.12↓#22579↓0.05↓1.2 years↓
"Whenever a land you control enters, this creature gets +2/+0 until end of turn."