CommanderLegacyVintage
Result
Infinite ETB, Infinite colorless mana, Infinite creature tokens
Activate Cayth by paying and tapping it, creating a copy of the Pestermite token.
When the Pestermite token enters the battlefield, it and Mana Echoes trigger.
Resolve the Pestermite trigger, untapping Cayth
Resolve the Mana Echoes trigger, adding for each creature you control that shares a type with the Pestermite token.
Repeat.
Component Cards
How It Works
1
Activate Cayth by paying and tapping it, creating a copy of the Pestermite token.
When the Pestermite token enters the battlefield, it and Mana Echoes trigger.
Resolve the Pestermite trigger, untapping Cayth
Resolve the Mana Echoes trigger, adding for each creature you control that shares a type with the Pestermite token.
Repeat.