Nara Kei, Pangolin Summoner

When Nara Kei, Pangolin Summoner enters the battlefield, put a stun counter on up to one target tapped creature.
Reverse Summon (Pay {4}, return Nara Kei,
Pangolin Summoner to your hand.)
Pangolin spells you cast cost {1} less.
{6}: Create a 3/3 Pangolin Creature Token