Endless Cockroaches + Deathrender + Woe Strider

Endless Cockroaches

Deathrender

Woe Strider

How it works

1. Activate Woe Strider by sacrificing Endless Cockroaches.
2. Endless Cockroaches dies, triggering itself and Deathrender.
3. Resolve the Endless Cockroaches trigger, returning it from your graveyard to your hand.
4. Resolve the Deathrender trigger, putting Endless Cockroaches onto the battlefield from your hand, and attaching Deathrender to it.
5. Resolve the Woe Strider ability from step 1, causing you to scry 1.
6. Repeat.