Chakram Retriever 
Creature — Elemental Dog
$5.90 #6044 0.39 8.2 years
Partner with Chakram Slinger (When this creature enters, target player may put Chakram Slinger into their hand from their library, then shuffle.)
Whenever you cast a spell during your turn, untap target creature.
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Chakram Slinger82%
$0.25↓#27395↓0.11↓8.2 years
"Partner with Chakram Retriever"
Mirran Spy81%
$0.20↓#8703↓0.3015.6 years↑
"Whenever you cast an artifact spell, you may untap target creature."
Leonin Battlemage72%
$0.19↓#25941↓0.3822.6 years↑
"Whenever you cast a spell, you may untap this creature."
Jandor's Saddlebags72%
$0.57↓#16082↓0.3332.7 years↑
"
, 
: Untap target creature."
, : Untap target creature."
Elmar, Ulvenwald Informant72%
$0.19↓#12984↓0.324.9 years↓
"Whenever you cast your second spell each turn, untap target creature, then investigate."
+1 more matching line
Khorvath Brightflame70%
$0.52↓#16935↓0.05↓8.2 years
"Partner with Sylvia Brightspear"
Trynn, Champion of Freedom70%
$0.75↓#16899↓0.21↓6.4 years↓
"Partner with Silvar, Devourer of the Free"
Akroan Conscriptor70%
$0.20↓#19776↓0.27↓12.6 years↑
"Whenever you cast a spell that targets this creature, gain control of another target creature until end of turn. Untap that creature. It gains haste until end of turn."
Breaching Hippocamp70%
$0.10↓#14831↓0.4112.9 years↑
"When this creature enters, untap another target creature you control."
Sparring Mummy70%
$0.05↓#18495↓0.429.4 years↑
"When this creature enters, untap target creature."
Hyrax Tower Scout70%
$0.25↓#9369↓0.14↓6.6 years↓
"When this creature enters, untap target creature."