Changeling Hero + Bloodline Necromancer + Viscera Seer

Changeling Hero

Bloodline Necromancer

Viscera Seer

How it works

1. Cast Changeling Hero by paying 4.
2. Changeling Hero enters the battlefield, championing Bloodline Necromancer.
3. Activate Viscera Seer by sacrificing Changeling Hero.
4. Changeling Hero dies, causing Bloodline Necromancer to return to the battlefield from exile.
5. Bloodline Necromancer enters the battlefield, returning Changeling Hero from your graveyard to the battlefield.
6. Repeat from step 2.
7. Resolve all Viscera Seer abilities, causing you to scry 1 an infinite number of times.