Citadel of Pain 
Enchantment
$4.17 #6667 1.11 26.3 years
At the beginning of each player's end step, this enchantment deals X damage to that player, where X is the number of untapped lands they control.
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Power Surge96%
$1.11↓#11497↓0.43↓33.1 years↑
"At the beginning of each player's upkeep, this enchantment deals X damage to that player, where X is the number of untapped lands they controlled at the beginning of this turn."
Angel's Trumpet90%
$0.50↓#8723↓0.52↓27.6 years↑
"At the beginning of each player's end step, tap all untapped creatures that player controls that didn't attack this turn. This artifact deals damage to the player equal to the number of creatures tapped this way."
Antagonism90%
$0.41↓#25473↓0.10↓27.9 years↑
"At the beginning of each player's end step, this enchantment deals 2 damage to that player unless one of their opponents was dealt damage this turn."
Mask of Intolerance89%
$0.28↓#30292↓0.50↓25.3 years
"At the beginning of each player's upkeep, if there are four or more basic land types among lands that player controls, this artifact deals 3 damage to that player."
Kratos, God of War89%
$48.29↑#61950.00↓0.9 years↓
"At the beginning of each player's end step, this card deals damage to that player equal to the number of creatures that player controls that didn't attack this turn."
Impatience89%
$0.29↓#22786↓0.31↓27.2 years
"At the beginning of each player's end step, if that player didn't cast a spell this turn, this enchantment deals 2 damage to that player."
Copper Tablet88%
$56.45↑#15363↓0.11↓33.1 years↑
"At the beginning of each player's upkeep, this artifact deals 1 damage to that player."
Rumbling Slum83%
$0.25↓#26639↓0.79↓20.6 years↓
"At the beginning of your upkeep, this creature deals 1 damage to each player."
Acidic Soil82%
$0.49↓#8031↓0.73↓27.9 years↑
"this card deals damage to each player equal to the number of lands they control."
Rivalry82%
$0.38↓#25546↓0.32↓27.6 years↑
"At the beginning of each player's upkeep, if that player controls more lands than each other player, this enchantment deals 2 damage to them."
Flame Rift82%
$0.32↓#3984↑0.20↓26.6 years
"this card deals 4 damage to each player."
Primal Order81%
$2.09↓#15794↓0.44↓30.9 years↑
"At the beginning of each player's upkeep, this enchantment deals damage to that player equal to the number of nonbasic lands they control."
Barbed Wire81%
$1.77↓#13458↓0.40↓26.9 years
"At the beginning of each player's upkeep, this artifact deals 1 damage to that player."
Ancient Runes80%
$1.40↓#14467↓0.35↓28.9 years↑
"At the beginning of each player's upkeep, this enchantment deals damage to that player equal to the number of artifacts they control."
Razor Pendulum79%
$0.53↓#30186↓0.24↓29.9 years↑
"At the beginning of each player's end step, if that player has 5 or less life, this artifact deals 2 damage to that player."
Price of Progress79%
$4.26↑#2810↑0.70↓28.2 years↑
"this card deals damage to each player equal to twice the number of nonbasic lands that player controls."
Cold Snap78%
$0.19↓#31267↓0.25↓31.3 years↑
"At the beginning of each player's upkeep, this enchantment deals damage to that player equal to the number of snow lands they control."
Collapsing Borders78%
$0.34↓#24000↓0.19↓25.9 years
"At the beginning of each player's upkeep, that player gains 1 life for each basic land type among lands they control. Then this enchantment deals 3 damage to that player."
Furnace Punisher78%
$0.07↓#21158↓0.50↓3.6 years↓
"At the beginning of each player's upkeep, this creature deals 2 damage to that player unless they control two or more basic lands."
Spear Spewer78%
$0.20↓#5043↑0.19↓7.6 years↓
"
: This creature deals 1 damage to each player."
: This creature deals 1 damage to each player."