Zooweem Ama, the Protector

Defender
When Zooweem enters the battlefield, create a 4/1 legendary echo knight token. At the beginning of your upkeep, create a 4/1 legendary echo knight token
You may sacrifice an echo knight token to give another creature indestructible until end of the turn.
If Zooweem leaves the battlefield, so does the echo knight token
{1}{r}{r}Flip Zooweem over into: Zooweem Ama, the Avenger. Activate only if nontoken creature under your control was removed from battlefield this turn.