Emry, Lurker of the Loch + Corridor Monitor + Vedalken Engineer + Mirran Spy + Thermal Navigator

Emry, Lurker of the Loch

Corridor Monitor

Vedalken Engineer

Mirran Spy

Thermal Navigator

How it works

1. Activate Thermal Navigator by sacrificing Corridor Monitor, giving Thermal Navigator flying until end of turn.
2. Activate Vedalken Engineer by tapping it, adding that can only be spent to cast artifact spells or activate abilities of artifacts.
3. Activate Emry by tapping it, letting you cast Corridor Monitor from your graveyard this turn.
4. Cast Corridor Monitor from your graveyard by paying 1.
5. Mirran Spy triggers, untapping Emry.
6. Corridor Monitor enters the battlefield, untapping Vedalken Engineer.
7. Repeat.