Trusty Boomerang + Mana Echoes + Chishiro, the Shattered Blade + Frostcliff Siege

Trusty Boomerang

Mana Echoes

Chishiro, the Shattered Blade

Frostcliff Siege

How it works

1. Cast Trusty Boomerang by paying 1.
2. When Trusty Boomerang enters, Chishiro's triggers, creating a 2/2 Spirit creature token.
3. When the Spirit enters, Mana Echoes triggers, adding C for each Spirit you control.
4. Activate Trusty Boomerang's equip ability by paying 1, attaching it to the Spirit token.
5. Activate the Spirit by paying 1 and tapping it, tapping a creature and returning Trusty Boomerang from the battlefield to your hand.
6. Repeat.

This clever loop transforms the humble Trusty Boomerang into a perpetual motion machine by turning its own return-to-hand cost into a catalyst for profit. As you recast the Equipment, Chishiro, the Shattered Blade steps in to generate a 2/2 Spirit token with each entry, immediately swelling your ranks of sharing creature types to fuel Mana Echoes for an escalating cascade of colorless mana. Meanwhile, Frostcliff Siege sits on the board silently providing passive aggression with pumped-up stats, trample, and haste, ensuring your endless army of generated tokens and resources can overwhelm any opposition.