Merry, Warden of Isengard 
Legendary Creature — Halfling Advisor
$0.23 #5255 0.25 3.2 years
Partner with Pippin, Warden of Isengard (When this creature enters, target player may put Pippin into their hand from their library, then shuffle.)
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.
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Mechan Assembler82%
$0.28↑#10210↓0.161.1 years↓
"Whenever another artifact you control enters, create a 2/2 colorless Robot artifact creature token. This ability triggers only once each turn."
Pippin, Warden of Isengard80%
$0.40↑#42730.293.2 years
"Partner with Merry, Warden of Isengard"
Regna, the Redeemer79%
$1.74↑#15658↓0.50↑8.2 years↑
"At the beginning of each end step, if your team gained life this turn, create two 1/1 white Warrior creature tokens."
+1 more matching line
Leonin Elder78%
$0.33↑#8032↓0.2922.9 years↑
"Whenever an artifact enters, you may gain 1 life."
Mandible Justiciar74%
$0.18↓#16734↓0.243.6 years
"Whenever another artifact you control enters, this creature gets +1/+1 until end of turn."
The Prydwen, Steel Flagship72%
$0.37↑#6786↓0.322.5 years
"Whenever another nontoken artifact you control enters, create a 2/2 white Human Knight creature token with "This token gets +2/+2 as long as an artifact entered the battlefield under your control this turn.""
Pactdoll Terror72%
$0.28↑#7785↓0.181.6 years↓
"Whenever this creature or another artifact you control enters, each opponent loses 1 life and you gain 1 life."
Sam, Loyal Attendant71%
$0.44↑#6537↓0.353.2 years
"At the beginning of combat on your turn, create a Food token."
+1 more matching line
Teething Wurmlet70%
$0.36↑#7732↓0.55↑3.8 years
"Whenever an artifact you control enters, you gain 1 life. If this is the first time this ability has resolved this turn, put a +1/+1 counter on this creature."
Machinesmith Automaton70%
$0.17↓#17896↓0.00↓0.2 years↓
"Whenever another artifact you control enters, put a +1/+1 counter on this creature."
Towashi Songshaper70%
$0.10↓#25896↓0.00↓4.5 years↑
"Whenever another artifact you control enters, this creature gets +1/+0 until end of turn."
Perimeter Patrol70%
$0.04↓#30426↓0.00↓3.8 years
"Whenever an artifact you control enters, this creature gets +1/+0 until end of turn."
Phalanx Vanguard70%
$0.04↓#27045↓0.273.8 years
"Whenever an artifact you control enters, this creature gets +1/+0 until end of turn."
Haliya, Guided by Light70%
$2.73↑#1583↑0.241.1 years↓
"Whenever this card or another creature or artifact you control enters, you gain 1 life."
Underhanded Designs70%
$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."
Mirrorworks70%
$2.35↑#3066↑0.36↑15.6 years↑
"Whenever another nontoken artifact you control enters, you may pay 
. If you do, create a token that's a copy of that artifact."
. If you do, create a token that's a copy of that artifact."
Donatello, Way with Machines70%
$0.21↓#13634↓0.00↓0.5 years↓
"Whenever an artifact you control enters, put a +1/+1 counter on this card."
Glaze Fiend70%
$0.17↓#24361↓0.00↓17.9 years↑
"Whenever another artifact you control enters, this creature gets +2/+2 until end of turn."
Surge Conductor70%
$0.36↑#2751↑0.37↑1.1 years↓
"Whenever another nontoken artifact you control enters, proliferate."
Malcator, Purity Overseer70%
$0.22↓#9524↓0.193.6 years
"At the beginning of your end step, if three or more artifacts entered the battlefield under your control this turn, create a 3/3 colorless Phyrexian Golem artifact creature token."