Mace of the Valiant 
Artifact — Equipment
$0.23 #8887 0.24 6.9 years
Equipped creature gets +1/+1 for each charge counter on this Equipment and has vigilance. (Attacking doesn't cause it to tap.)
Whenever a creature you control enters, put a charge counter on this Equipment.
Equip 
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Soultether Golem84%
$0.33↑#26993↓0.00↓19.3 years↑
"Whenever another creature you control enters, put a time counter on this creature."
Attended Socialite83%
$0.07↓#23744↓0.05↓4.4 years↓
"Whenever another creature you control enters, this creature gets +1/+1 until end of turn."
Loporrit Scout83%
$0.14↓#19003↓0.311.2 years↓
"Whenever another creature you control enters, this creature gets +1/+1 until end of turn."
Beast-Kin Ranger83%
$0.09↓#15253↓0.151.8 years↓
"Whenever another creature you control enters, this creature gets +1/+0 until end of turn."
Crossroads Watcher83%
$0.11↓#19495↓0.00↓0.6 years↓
"Whenever another creature you control enters, this creature gets +1/+0 until end of turn."
Mutant Town Musicians83%
$0.08↓#25590↓0.00↓0.5 years↓
"Whenever another creature you control enters, this creature gets +1/+0 until end of turn."
Llanowar Stalker83%
$0.16↓#22410↓0.00↓4.0 years↓
"Whenever another creature you control enters, this creature gets +1/+0 until end of turn."
Herd Gnarr82%
$0.08↓#31157↓0.50↑21.0 years↑
"Whenever another creature you control enters, this creature gets +2/+2 until end of turn."
Bronzebeak Moa82%
$0.05↓#24788↓0.43↑13.3 years↑
"Whenever another creature you control enters, this creature gets +3/+3 until end of turn."
True-Faith Censer82%
$0.07↓#20586↓0.00↓10.4 years↑
"Equipped creature gets +1/+1 and has vigilance."
EPF Point Squad81%
$0.09↓#22564↓0.00↓0.5 years↓
"Whenever another creature you control enters, put a +1/+1 counter on this creature."
Celebrity Fencer81%
$0.17↓#18387↓0.234.4 years↓
"Whenever another creature you control enters, put a +1/+1 counter on this creature."
Accorder's Shield80%
$0.17↓#6556↑0.2515.9 years↑
"Equipped creature gets +0/+3 and has vigilance."
+1 more matching line
Cathar's Shield80%
$0.23#73530.05↓10.1 years↑
"Equipped creature gets +0/+3 and has vigilance."
+1 more matching line
Kor Halberd80%
$0.25↑#15048↓0.313.4 years↓
"Equipped creature gets +1/+1 and has vigilance."
Griffin Protector80%
$0.08↓#21281↓0.2514.1 years↑
"Whenever another creature you control enters, this creature gets +1/+1 until end of turn."
East Wind Avatar80%
$0.10↓#24888↓0.00↓0.5 years↓
"Whenever another creature you control enters, this creature gets +1/+0 until end of turn."
Good-Fortune Unicorn80%
$0.20↓#3509↑0.177.2 years
"Whenever another creature you control enters, put a +1/+1 counter on that creature."
Knightly Valor80%
$0.06↓#14963↓0.2813.9 years↑
"Enchanted creature gets +2/+2 and has vigilance."
Due Diligence80%
$0.09↓#17750↓0.272.6 years↓
"Enchanted creature gets +2/+2 and has vigilance."