Shallan, Secret Truth

Whenever Shallan, Secret Truth becomes the target of a spell or ability, put an Oath counter on Shallan, Secret Truth.

If Shallan, Secret Truth has 3 or more Oath counters on it, it gets +3/+1 and gains first strike.

If Shallan, Secret Truth has 5 or more Oath counters on it, it gains hexproof.