Wintermoor Commander 

Creature — Human Knight
$0.27 #7735 0.39 6.9 years
Deathtouch
Wintermoor Commander's toughness is equal to the number of Knights you control.
Whenever this creature attacks, another target Knight you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.)
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Belle of the Brawl83%
$0.23↓#17635↓0.12↓6.9 years
"Whenever this creature attacks, other Knights you control get +1/+0 until end of turn."
Hardened Escort82%
$0.15↓#15421↓0.05↓1.9 years↓
"Whenever this creature attacks, another target creature you control gets +1/+0 and gains indestructible until end of turn."
Ogre Errant81%
$0.09↓#28685↓0.00↓6.9 years
"Whenever this creature attacks, another target attacking Knight gains menace until end of turn."
Garrison Griffin80%
$0.18↓#26291↓0.00↓6.9 years
"Whenever this creature attacks, target Knight you control gains flying until end of turn."
Knight Exemplar78%
$3.89↑#3502↑0.29↓16.1 years↑
"Other Knight creatures you control get +1/+1 and have indestructible."
Foot Elite78%
$0.14↓#17814↓0.00↓0.5 years↓
"Whenever this creature attacks, another target creature you control gets +1/+0 and gains indestructible until end of turn."
Fervent Champion76%
$0.29↑#82370.12↓6.9 years
"Whenever this creature attacks, another target attacking Knight you control gets +1/+0 until end of turn."
History of Benalia74%
$1.25↑#10399↓0.23↓8.4 years↑
"Knights you control get +2/+1 until end of turn."
Valiant Knight74%
$0.36↑#64420.308.1 years↑
"Other Knights you control get +1/+1."
+1 more matching line
Worthy Knight73%
$0.38↑#83900.366.9 years
"Whenever you cast a Knight spell, create a 1/1 white Human creature token."
Iconic Shield72%
$0.32↑#25050↓0.00↓0.2 years↓
"Equipped creature gets +1/+2 and has "Whenever this creature attacks, another target attacking creature gains indestructible until end of turn.""
Venerable Knight72%
$0.26↓#19581↓0.25↓6.9 years
"When this creature dies, put a +1/+1 counter on target Knight you control."
Angelic Guardian71%
$3.34↑#12574↓0.17↓7.8 years
"Whenever one or more creatures you control attack, they gain indestructible until end of turn."