Leyline of Singularity + Masked Meower + Ratadrabik of Urborg

WUBR identity

Commander legal

The 3 combo pieces

• Leyline of Singularity
• Masked Meower
• Ratadrabik of Urborg

How to execute it

1. Activate Masked Meower by discarding a card and sacrificing it.
2. When Masked Meower dies, Ratadrabik triggers, creating a token copy of Masked Meower that is a 2/2 legendary Zombie in addition to its other types.
3. Resolve the Masked Meower ability.
4. Repeat using the Masked Meower token

What the combo produces

• Infinite draw triggers
• Infinite rummaging
• Infinite self-discard triggers
• Near-infinite creature sacrifice triggers
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite LTB