Leonin Elder 
Creature — Cat Cleric
$0.33 #8032 0.29 22.9 years
Whenever an artifact enters, you may gain 1 life.
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Cards similar to Leonin Elder expected a card that isn't here?
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Vermiculos89%
$0.32↓#29210↓0.2522.9 years
"Whenever an artifact enters, this creature gets +4/+4 until end of turn."
Mandible Justiciar85%
$0.18↓#16734↓0.243.6 years↓
"Whenever another artifact you control enters, this creature gets +1/+1 until end of turn."
Urza's Chalice84%
$1.19↑#23983↓0.2432.5 years↑
"Whenever a player casts an artifact spell, you may pay 
. If you do, you gain 1 life."
. If you do, you gain 1 life."
Towashi Songshaper84%
$0.10↓#25896↓0.00↓4.5 years↓
"Whenever another artifact you control enters, this creature gets +1/+0 until end of turn."
Perimeter Patrol84%
$0.04↓#30426↓0.00↓3.8 years↓
"Whenever an artifact you control enters, this creature gets +1/+0 until end of turn."
Phalanx Vanguard84%
$0.04↓#27045↓0.273.8 years↓
"Whenever an artifact you control enters, this creature gets +1/+0 until end of turn."
Glaze Fiend83%
$0.17↓#24361↓0.00↓17.9 years↓
"Whenever another artifact you control enters, this creature gets +2/+2 until end of turn."
Karstoderm82%
$0.05↓#31823↓0.3522.6 years
"Whenever an artifact enters, remove a +1/+1 counter from this creature."
Pactdoll Terror81%
$0.28↓#77850.18↓1.6 years↓
"Whenever this creature or another artifact you control enters, each opponent loses 1 life and you gain 1 life."
Machinesmith Automaton80%
$0.17↓#17896↓0.00↓0.2 years↓
"Whenever another artifact you control enters, put a +1/+1 counter on this creature."
Golem's Heart80%
$0.24↓#13415↓0.00↓15.9 years↓
"Whenever a player casts an artifact spell, you may gain 1 life."
Donatello, Way with Machines80%
$0.21↓#13634↓0.00↓0.5 years↓
"Whenever an artifact you control enters, put a +1/+1 counter on this card."
Merry, Warden of Isengard78%
$0.23↓#5255↑0.253.2 years↓
"Whenever one or more artifacts you control enter, create a 1/1 white Soldier creature token with lifelink. This ability triggers only once each turn."
Mechan Assembler78%
$0.28↓#10210↓0.16↓1.1 years↓
"Whenever another artifact you control enters, create a 2/2 colorless Robot artifact creature token. This ability triggers only once each turn."
Oreplate Pangolin78%
$0.14↓#16597↓0.12↓1.1 years↓
"Whenever another artifact you control enters, you may pay . If you do, put a +1/+1 counter on this creature."
. If you do, put a +1/+1 counter on this creature."
Fateful Discovery78%
$5.99↑#13444↓0.00↓0.1 years↓
"Whenever an artifact you control enters, draw a card."
Soul's Attendant78%
$5.46↑#837↑0.40↑16.4 years↓
"Whenever another creature enters, you may gain 1 life."
Underhanded Designs78%
$0.22↓#15803↓0.259.9 years↓
"Whenever an artifact you control enters, you may pay . If you do, each opponent loses 1 life and you gain 1 life."
. If you do, each opponent loses 1 life and you gain 1 life."
Yotian Dissident78%
$0.25↓#9912↓0.293.8 years↓
"Whenever an artifact you control enters, put a +1/+1 counter on target creature you control."
Haliya, Guided by Light77%
$2.73↑#1583↑0.241.1 years↓
"Whenever this card or another creature or artifact you control enters, you gain 1 life."