Sheltering Ancient 
Creature — Treefolk
$1.76 #11165 0.32 20.2 years
Trample
Cumulative upkeep—Put a +1/+1 counter on a creature an opponent controls. (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.)
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Cards similar to Sheltering Ancient expected a card that isn't here?
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Varchild's War-Riders84%
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"Cumulative upkeep—Have an opponent create a 1/1 red Survivor creature token."
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"Trample"
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$0.38↓#19799↓0.12↓22.4 years↑
"Trample"
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$0.10↓#23961↓0.00↓21.7 years↑
"Trample"
Volunteer Reserves80%
$0.18↓#29691↓0.13↓29.4 years↑
"Cumulative upkeep "
"
Wumpus Aberration80%
$0.22↓#21080↓0.06↓2.3 years↓
"Trample"
Endless Wurm80%
$0.29↓#27629↓0.3328.0 years↑
"Trample"
Uktabi Efreet79%
$0.03↓#32115↓0.00↓29.4 years↑
"Cumulative upkeep "
"
Stampeding Serow78%
$0.24↓#25091↓0.00↓21.4 years↑
"Trample"
Sulam Djinn78%
$0.23↓#32060↓0.00↓26.0 years↑
"Trample"
Aku Djinn78%
$0.74↓#26166↓0.10↓29.7 years↑
"At the beginning of your upkeep, put a +1/+1 counter on each creature each opponent controls."
+1 more matching line
Phobian Phantasm78%
$0.16↓#31535↓0.2520.2 years
"Cumulative upkeep 
"
"
Charnel Troll78%
$0.08↓#29210↓0.14↓8.0 years↓
"Trample"
Gutwrencher Oni78%
$0.15↓#25701↓0.05↓22.1 years↑
"Trample"
Illusionary Wall78%
$0.22↓#25980↓0.00↓31.4 years↑
"Cumulative upkeep 
"
"
Illusionary Forces78%
$0.13↓#31752↓0.00↓31.4 years↑
"Cumulative upkeep "
"
Illusions of Grandeur77%
$15.98↑#104380.3131.4 years↑
"Cumulative upkeep 
"
"
Deep Spawn77%
$0.26↓#28513↓0.2832.0 years↑
"Trample"
Earthen Goo76%
$0.21↓#31886↓0.07↓20.2 years
"Cumulative upkeep 
or "
or "+1 more matching line