Callow Jushi
{1}{U}{U}
Creature -- Human Wizard
2/2
Whenever you cast a Spirit or Arcane spell, you may put a ki counter on ~this~.
At the beginning of the end step, if there are two or more ki counters on ~this~, you may flip it.
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Jaraku the Interloper
Legendary Creature -- Spirit
3/4
Remove a ki counter from Jaraku: Counter target spell unless its controller pays {2}.