2. Activate the effect of "Zephyros" sending "Reborn Tengu" back to your hand, which will activate it's effect, Summoning another "Reborn Tengu" from your Deck.
3. Summon the "Reborn Tengu" that was sent to your hand by the effect of "Zephiros".
By having 3 copies of "Junk Servant" in your hand, you can Summon this card in one turn.
You can switch one of your opponent's monster to use them as its Xyz Material using "Creature Swap". Then, use this card's effect to absorb your switched monster. Great targets would be "Vylon" Tuners and Unions, "ZW - Unicorn Spear", etc.
This makes a good monster against the "Inzektors".