Dragonlord Kolaghan
Sword of Hearth and Home
Port Razer

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Sword of Hearth and Home attached to Dragonlord Kolaghan. An opponent is unable to block and kill Dragonlord Kolaghan and Port Razer.

   Steps

How does this combo work?
1
Deal combat damage to an opponent with Dragonlord Kolaghan and Port Razer, triggering Sword of Hearth and Home and Port Razer.
2
Resolve the Port Razer trigger, untapping all creatures you control and causing you to get an additional combat phase after this one.
3
Resolve the Sword of Hearth and Home trigger, exiling Port Razer, then causing you to search your library for a basic land card, then put the land and Port Razer onto the battlefield.
4
Repeat each combat phase.

   Results

What do I get from this combo?
Infinite combat damage
Infinite combat phases
Infinite ETB
Infinite LTB
Infinite mana creatures you control can produce
Infinite untap of creatures you control
Near-infinite landfall triggers
Put all basic lands from your library onto the battlefield