Bone Sabres 
Artifact — Equipment
$4.79 #6114 0.07 4.0 years
Whenever equipped creature attacks, put four +1/+1 counters on it.
Equip 
(: Attach to target creature you control. Equip only as a sorcery.)
(: Attach to target creature you control. Equip only as a sorcery.)Click a line or tag to filter
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Armory of Iroas100%
$0.23↓#8026↓0.27↑12.5 years↑
"Whenever equipped creature attacks, put a +1/+1 counter on it."
Greatsword of Tyr91%
$0.35↓#7399↓0.22↑4.4 years
"Whenever equipped creature attacks, put a +1/+1 counter on it and tap up to one target creature defending player controls."
Glowcap Lantern89%
$0.22↓#11644↓0.002.9 years↓
"Equip "
"
Armasaur Guide88%
$0.09↓#17861↓0.061.9 years↓
"Whenever you attack with three or more creatures, put a +1/+1 counter on target creature you control."
Gleam of Battle88%
$0.14↓#13930↓0.17↑13.5 years↑
"Whenever a creature you control attacks, put a +1/+1 counter on it."
Delver's Torch87%
$0.15↓#13491↓0.075.2 years↑
"Whenever equipped creature attacks, venture into the dungeon."
+1 more matching line
Black Panther, Claws of Bast85%
$1.44↓#21263↓0.31↑0.3 years↓
"Whenever a creature you control attacks alone, put a +1/+1 counter on it."
Surgical Suite // Hospital Room84%
$0.21↓#9086↓0.072.1 years↓
"Whenever you attack, put a +1/+1 counter on target attacking creature."
Iconic Shield84%
$0.21↓#24166↓0.20↑0.3 years↓
"Equip "
"
Curse of Predation84%
$0.19↓#14619↓0.33↑13.0 years↑
"Whenever a creature attacks enchanted player, put a +1/+1 counter on it."
Sword of Hours83%
$5.43↑#51020.005.2 years↑
"Whenever equipped creature attacks, put a +1/+1 counter on it."
+1 more matching line
Fire Nation Engineer82%
$0.06↓#17112↓0.120.9 years↓
"At the beginning of your end step, if you attacked this turn, put a +1/+1 counter on another target creature or Vehicle you control."
Casey Jones, Back Alley Brute82%
$0.31↓#71790.32↑0.6 years↓
"Whenever this card attacks, put a +1/+1 counter on target attacking creature."
Rubblebelt Raiders82%
$0.13↓#18863↓0.0013.7 years↑
"Whenever this creature attacks, put a +1/+1 counter on it for each attacking creature you control."
Hunter's Axe82%
$0.27↓#21550↓0.140.0 years↓
"Equip "
"
Fractal Harness82%
$0.25↓#63790.29↑5.5 years↑
"Whenever equipped creature attacks, double the number of +1/+1 counters on it."
+1 more matching line
Seismic Tutelage82%
$0.90↓#11095↓0.31↑0.9 years↓
"Whenever enchanted creature attacks, double the number of +1/+1 counters on it."
Andúril, Narsil Reforged82%
$9.82↑#2600↑0.39↑3.0 years↓
"Whenever equipped creature attacks, put a +1/+1 counter on each creature you control. If you have the city's blessing, put two +1/+1 counters on each creature you control instead."
+1 more matching line
Keleth, Sunmane Familiar82%
$0.18↓#68570.065.9 years↑
"Whenever a commander you control attacks, put a +1/+1 counter on it."
Goliath Truck80%
$0.47↓#14099↓0.004.0 years
"Whenever this Vehicle attacks, put two +1/+1 counters on another target attacking creature."