Triceraton Regenta {2}{W}
Creature — Dinosaur Noble
Vigilance (Attacking doesn't cause this creature to tap.)
Whenever this creature attacks, untap up to one other target creature.
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Tenth District Veteran 97%
$0.09#24951
"Whenever this creature attacks, untap another target creature you control."
+1 more matching line
Fear of Missing Out 94%
$2.37#2544
"Whenever this creature attacks for the first time each turn, if there are four or more card types among cards in your graveyard, untap target creature. After this phase, there is an additional combat phase."
Jangling Automaton 90%
$0.11#21680
"Whenever this creature attacks, untap all creatures defending player controls."
Copperhorn Scout 90%
$0.27#5520
"Whenever this creature attacks, untap each other creature you control."
Melee 89%
$0.33#28941
"Whenever a creature attacks and isn't blocked this combat, untap it and remove it from combat."
Thistledown Players 89%
$0.07#11983
"Whenever this creature attacks, untap target nonland permanent."
Shakedown Heavy 88%
$0.35#6566
"Whenever this creature attacks, defending player may have you draw a card. If they do, untap this creature and remove it from combat."
Zephyr Winder 88%
$0.21#24640
"Whenever this creature deals combat damage to a player, untap up to one target creature."
Scourge of the Throne 87%
$0.39#1277
"Whenever this creature attacks for the first time each turn, if it's attacking the player with the most life or tied for most life, untap all attacking creatures. After this phase, there is an additional combat phase."
Apes of Rath 86%
$0.28#25240
"Whenever this creature attacks, it doesn't untap during its controller's next untap step."
Lead Golem 86%
$0.13#31565
"Whenever this creature attacks, it doesn't untap during its controller's next untap step."
Spectral Bears 83%
#19485
"Whenever this creature attacks, if defending player controls no black nontoken permanents, it doesn't untap during your next untap step."
Spectral Force 83%
$0.25#27516
"Whenever this creature attacks, if defending player controls no black permanents, it doesn't untap during your next untap step."
S.H.I.E.L.D. Spy Kit 83%
$0.19#22396
"Whenever equipped creature attacks alone, untap it and scry 1."
Finest Hour 83%
$1.17#8384
"Whenever a creature you control attacks alone, if it's the first combat phase of the turn, untap that creature. After this phase, there is an additional combat phase."