Voice of the Blessed {W}{W}
Creature — Spirit Cleric
Whenever you gain life, put a +1/+1 counter on this creature.
As long as this creature has four or more +1/+1 counters on it, it has flying and vigilance.
As long as this creature has ten or more +1/+1 counters on it, it has indestructible.
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Skyknight Squire 84%
$0.33#5281
"As long as this creature has three or more +1/+1 counters on it, it has flying and is a Knight in addition to its other types."
+1 more matching line
Angelic Cub 84%
$0.29#15444
"As long as this creature has three or more +1/+1 counters on it, it has flying."
+1 more matching line
Bloodthirsty Aerialist 100%
$0.39#6510
"Whenever you gain life, put a +1/+1 counter on this creature."
Vampire Scrivener 88%
$0.22#13596
"Whenever you gain life during your turn, put a +1/+1 counter on this creature."
Cleric of Life's Bond 84%
$0.20#13285
"Whenever you gain life for the first time each turn, put a +1/+1 counter on this creature."
Malakir Familiar 83%
$0.27#12908
"Whenever you gain life, this creature gets +1/+1 until end of turn."