Rakdos Riteknife {2}
Artifact — Equipment
Equipped creature gets +1/+0 for each blood counter on this Equipment and has "{T}, Sacrifice a creature: Put a blood counter on Rakdos Riteknife."
{B}{R}, Sacrifice this Equipment: Target player sacrifices a permanent of their choice for each blood counter on this Equipment.
Equip {2}
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Cards that do something similar expected a card that isn't here?
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Gavel of the Righteous 85%
$0.28#5486
"Equipped creature gets +1/+1 for each counter on this Equipment."
Malefic Scythe 83%
$0.11#18399
"Equipped creature gets +1/+1 for each soul counter on this Equipment."
Golem-Skin Gauntlets 83%
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"Equipped creature gets +1/+0 for each Equipment attached to it."
+1 more matching line
Banshee's Blade 83%
$0.30#15886
"Equipped creature gets +1/+1 for each charge counter on this Equipment."
+1 more matching line
Sigil of Distinction 83%
$1.96#14011
"Equipped creature gets +1/+1 for each charge counter on this Equipment."
Mace of the Valiant 81%
$0.17#8771
"Equipped creature gets +1/+1 for each charge counter on this Equipment and has vigilance."
+1 more matching line
Reaper's Scythe 80%
$0.27#7264
"Equipped creature gets +1/+1 for each soul counter on this Equipment and is an Assassin in addition to its other types."
+1 more matching line
Luxior, Giada's Gift 80%
$5.33#4386
"Equipped creature gets +1/+1 for each counter on it."
+1 more matching line