Vizier of Remedies + River Kelpie + Carrion Feeder
Vizier of Remedies
River Kelpie
Carrion Feeder
Infinite card drawNear-infinite death triggersNear-infinite creature ETBNear-infinite creature LTBNear-infinite creature sacrifice triggersInfinite draw triggersNear-infinite +1/+1 counters on a creature
How it works
Activate Carrion Feeder by sacrificing River Kelpie.
When River Kelpie dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Vizier of Remedies.
When River Kelpie enters, its first ability triggers, causing you to draw a card.