Emry, Lurker of the Loch + Displacer Kitten + Welding Jar + Tyvar, Jubilant Brawler

Emry, Lurker of the Loch

Displacer Kitten

Welding Jar

Tyvar, Jubilant Brawler

How it works

1. Activate Emry by tapping it, allowing you to cast Welding Jar from your graveyard.
2. Cast Welding Jar by paying 0.
3. Displacer Kitten triggers, blinking Emry.
4. When Emry enters, it triggers, causing you to mill four cards.
5. Activate Welding Jar by sacrificing it.
6. Repeat.

This clever loop turns the unassuming Welding Jar into an infinite engine for artifact triggers and self-mill by leveraging Emry, Lurker of the Loch to recast it repeatedly from the graveyard. Because casting the artifact counts as a noncreature spell, Displacer Kitten triggers to blink Emry, resetting her tap ability so she can retrieve the Jar once again. Meanwhile, Tyvar, Jubilant Brawler grants Emry the haste-like capability to tap immediately upon returning to the battlefield, bypassing summoning sickness entirely.