Ritleaya, Devoted Shield

Ritleaya, Devoted Shield enters with a shield counter.
When a creature enters under your control
your gain 1 life.
{1}{w}{w}: add one shield counter to target criature.
{t}{u}:Remove 4 shield counters from Ritleaya, Devoted Shield. Put a indestructible and vigilance counter on Ritleaya, Devoted Shield, she also gains ward {1}.