Callow Jushi
{1}{U}{U}Creature — Human Wizard
Whenever you cast a Spirit or Arcane spell, you may put a ki counter on this creature.
At the beginning of the end step, if there are two or more ki counters on this creature, you may flip it.

Creature — Human Wizard // Legendary Creature — Spirit
Creature — Human Wizard
Whenever you cast a Spirit or Arcane spell, you may put a ki counter on this creature.
At the beginning of the end step, if there are two or more ki counters on this creature, you may flip it.
Legendary Creature — Spirit
Remove a ki counter from Jaraku: Counter target spell unless its controller pays {2}.
This triggers when the spell is cast, before it resolves. Even if the spell is countered, the cast trigger still resolves. Copies of spells are not cast, so they won't trigger this.