Whisper, Blood Liturgist, Necrotic Ooze, Black Carriage, and Triplicate Titan

Prerequisites

• Whisper, Blood Liturgist in the graveyard
• Necrotic Ooze on the battlefield
• Black Carriage in the graveyard
• Triplicate Titan in the graveyard
• Necrotic Ooze does not have summoning sickness
• You control at least two additional creatures
• It is your upkeep

Steps

1. During your upkeep, activate Necrotic Ooze using Whisper's ability by tapping it and sacrificing two other creatures, returning Triplicate Titan from your graveyard to the battlefield
2. Activate Necrotic Ooze using Black Carriage's ability by sacrificing Triplicate Titan
3. When Triplicate Titan dies, it triggers, creating three 3/3 Golem artifact creature tokens
4. Resolve the Necrotic Ooze ability, untapping it
5. Repeat

Results

• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Return all creature cards from your graveyard to the battlefield