If needed, give control of Barbarian Outcast to an opponent who controls no Swamps.
When Barbarian Outcast's controller controls no Swamps, Barbarian Outcast triggers, causing them to sacrifice it.
However, Barbarian Outcast cannot be sacrificed due to Assault Suit.
Barbarian Outcast triggers again, creating a mandatory infinite loop that causes the game to end in a draw.

Draw the game

Assault Suit

Barbarian Outcast

At the beginning of your end step, Jon Irenicus triggers, giving control of Barbarian Outcast to an opponent who controls no Swamps.
When Barbarian Outcast's controller controls no Swamps, Barbarian Outcast triggers, causing them to sacrifice it.
However, Barbarian Outcast cannot be sacrificed due to its ability.
Barbarian Outcast triggers again, creating a mandatory infinite loop that causes the game to end in a draw.

Combos with "Barbarian Outcast"