Hangarback Assembler

(As this Saga enters and after your draw step add a lore counter. Sacrifice after III.) I — All creature cards you own with mana value 2 or less perpetually get +1/+0. II — Seek a creature card with mana value 2 or less and put it onto the battlefield. III — Creatures you control with mana value 2 or less gain flying until end of turn.

Destroy all non-Vehicle creatures. Then choose a Vehicle you control. It perpetually becomes an artifact creature.

Start your engines! When this enchantment enters, create two 1/1 colorless Thopter artifact creature tokens with flying. Max speed — Sacrifice this enchantment: Create two 1/1 colorless Thopter artifact creature tokens with flying.

Choose one. If you have max speed, choose both instead. • Seek a card with start your engines! • Seek a nonland card. Jump-start

3UU: Draw a card. Exhaust — U: Conjure a card named Training Grounds onto the battlefield.

Until end of turn, target creature you control gains "When this creature dies, return it to the battlefield tapped under its owner's control. It deals 1 damage to each opponent." Overload 2BB

Whenever one or more creatures die, put a wreck counter on this enchantment. At the beginning of your upkeep, if this enchantment has one or more wreck counters on it, remove a wreck counter from it and seek a nonland card.

Flying, Lifelink When this creature enters, choose target opponent. Secretly choose a creature or planeswalker that player controls. That player sacrifices a creature or planeswalker of their choice, then sacrifices the chosen permanent.