Jon Irenicus, Shattered One | Slipstream Serpent

Cards

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