Sin, Unending Cataclysm 
Legendary Creature — Leviathan Avatar
$0.26 #4915 0.56 1.4 years
Flying, trample
As Sin enters, remove all counters from any number of artifacts, creatures, and enchantments. Sin enters with X +1/+1 counters on it, where X is twice the number of counters removed this way.
When Sin dies, put its counters on target creature you control, then shuffle this card into its owner's library.
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Falco Spara, Pactweaver83%
$2.50↑#7108↓0.31↓4.5 years↑
"Flying, trample"
Guan Yu, Sainted Warrior79%
$55.19↑#25012↓0.18↓27.5 years↑
"When this card is put into your graveyard from the battlefield, you may shuffle this card into your library."
Spike Cannibal77%
$1.40↑#21823↓0.6328.3 years↑
"When this creature enters, move all +1/+1 counters from all creatures onto it."
Thief of Blood75%
$7.02↑#10731↓0.5610.9 years↑
"As this creature enters, remove all counters from all permanents. This creature enters with a +1/+1 counter on it for each counter removed this way."
Star Pupil74%
$0.16↓#16661↓0.00↓5.5 years↑
"When this creature dies, put its counters on target creature you control."
+1 more matching line
Angel of Fury74%
$4.11↑#30081↓0.33↓28.3 years↑
"When this creature dies, you may shuffle it into its owner's library."
Alabaster Dragon74%
$0.38↑#26096↓0.00↓29.5 years↑
"When this creature dies, shuffle it into its owner's library."
Spiteful Squad74%
$0.04↓#23654↓0.00↓5.5 years↑
"When this creature dies, put its counters on target creature you control."
+1 more matching line
Iron Apprentice74%
$0.26#6095↓0.11↓4.7 years↑
"When this creature dies, if it had counters on it, put those counters on target creature you control."
+1 more matching line
Avenging Angel74%
$1.66↑#28934↓0.11↓29.0 years↑
"When this creature dies, you may put it on top of its owner's library."
Dark Revenant74%
$0.12↓#28739↓0.06↓14.0 years↑
"When this creature dies, put it on top of its owner's library."
Parish-Blade Trainee73%
$0.15↓#20906↓0.15↓4.9 years↑
"When this creature dies, put its counters on target creature you control."
Undying Beast73%
$0.15↓#31953↓0.00↓29.5 years↑
"When this creature dies, put it on top of its owner's library."
Gandalf, White Rider72%
$4.97↑#9787↓0.21↓3.3 years↑
"When this card dies, you may put it into its owner's library fifth from the top."
Enduring Bondwarden71%
$0.21↓#18458↓0.07↓3.5 years↑
"When this creature dies, put its counters on target creature you control."
Servant of the Scale71%
$0.06↓#16927↓0.07↓11.6 years↑
"When this creature dies, put X +1/+1 counters on target creature you control, where X is the number of +1/+1 counters on this creature."
+1 more matching line
Fell Horseman // Deathly Ride70%
$0.16↓#16220↓0.00↓3.1 years↑
"When this creature dies, put it on the bottom of its owner's library."
Murderous Rider // Swift End70%
$0.20↓#1682↑0.12↓7.0 years↑
"When this creature dies, put it on the bottom of its owner's library."
Lembas70%
$0.98↑#3424↑0.15↓3.3 years↑
"When this artifact is put into a graveyard from the battlefield, its owner shuffles it into their library."
God-Eternal Oketra70%
$0.69↑#2417↑0.34↓7.5 years↑
"When this card dies or is put into exile from the battlefield, you may put it into its owner's library third from the top."