Cast Time Warp by paying {3}{U}{U}, taking an extra turn after this one.
Cast Archaeomancer by paying {2}{U}{U}.
Archaeomancer enters the battlefield, returning Time Warp to your hand.
Activate Endless Sands' first ability by paying {2} and tapping it, exiling Archaeomancer.
Move to your next turn.
Cast Time Warp by paying {3}{U}{U}, taking an extra turn after this one.
Activate Endless Sands' second ability by paying {4}, tapping it, and sacrificing it, returning Archaeomancer to the battlefield.
Archaeomancer enters the battlefield, returning Time Warp to your hand.
Play Endless Sands from your graveyard.
Activate Endless Sands' first ability by paying {2} and tapping it, exiling Archaeomancer.
Repeat.

Infinite turns

Lock

Archaeomancer

Crucible of Worlds

Endless Sands

Time Warp

Activate Endless Sands's second ability by tapping it and paying {2}, exiling Titania.
Cast Peregrine Drake by paying {4}{U}.
Peregrine Drake enters the battlefield, triggering itself twice.
Resolve the first Peregrine Drake trigger, untapping Endless Sands and up to four other lands.
Activate your other lands by tapping them, adding at least {4}.
Activate Endless Sands's second ability by tapping it and paying {2}, exiling Peregrine Drake.
Resolve the second Peregrine Drake trigger, untapping Endless Sands and up to four other lands.
Activate your other lands by tapping them, adding at least {4}.
Activate Endless Sands's last ability by tapping it, paying {4}, and sacrificing it, returning Peregrine Drake and Titania from exile to the battlefield.
When Titania enters the battlefield, it triggers itself twice.
When Peregrine Drake enter the battlefield, it triggers itself twice.
Resolve the first Titania trigger, returning Endless Sands from your graveyard to the battlefield.
Resolve the second Titania trigger, returning up to one target land of your choice from your graveyard to the battlefield.
Activate Endless Sands's second ability by tapping it and paying {2}, exiling Titania.
Repeat from step 4.

Infinite ETB

Infinite LTB

Infinite mana lands you control can produce

Return all land cards from your graveyard to the battlefield

Infinite untap of lands you control

Yarok, the Desecrated

Peregrine Drake

Titania, Protector of Argoth

Activate Endless Sands's second ability by tapping it and paying {2}, exiling Quarry Beetle.
Cast Peregrine Drake by paying {4}{U}.
Peregrine Drake enters the battlefield, triggering itself twice.
Resolve the first Peregrine Drake trigger, untapping Endless Sands and up to four other lands.
Activate your other lands by tapping them, adding at least {4}.
Activate Endless Sands's second ability by tapping it and paying {2}, exiling Peregrine Drake.
Resolve the second Peregrine Drake trigger, untapping Endless Sands and up to four other lands.
Activate your other lands by tapping them, adding at least {4}.
Activate Endless Sands's last ability by tapping it, paying {4}, and sacrificing it, returning Peregrine Drake and Quarry Beetle from exile to the battlefield.
When Quarry Beetle enters the battlefield, it triggers itself twice.
When Peregrine Drake enter the battlefield, it triggers itself twice.
Resolve the first Quarry Beetle trigger, returning Endless Sands from your graveyard to the battlefield.
Resolve the second Quarry Beetle trigger, returning up to one target land of your choice from your graveyard to the battlefield.
Activate Endless Sands's second ability by tapping it and paying {2}, exiling Quarry Beetle.
Repeat from step 4.

Quarry Beetle

Activate Endless Sands's second ability by tapping it and paying {2}, exiling Molderhulk.
Cast Peregrine Drake by paying {4}{U}.
Peregrine Drake enters the battlefield, triggering itself twice.
Resolve the first Peregrine Drake trigger, untapping Endless Sands and up to four other lands.
Activate your other lands by tapping them, adding at least {4}.
Activate Endless Sands's second ability by tapping it and paying {2}, exiling Peregrine Drake.
Resolve the second Peregrine Drake trigger, untapping Endless Sands and up to four other lands.
Activate your other lands by tapping them, adding at least {4}.
Activate Endless Sands's last ability by tapping it, paying {4}, and sacrificing it, returning Peregrine Drake and Molderhulk from exile to the battlefield.
When Molderhulk enters the battlefield, it triggers itself twice.
When Peregrine Drake enter the battlefield, it triggers itself twice.
Resolve the first Molderhulk trigger, returning Endless Sands from your graveyard to the battlefield.
Resolve the second Molderhulk trigger, returning up to one target land of your choice from your graveyard to the battlefield.
Activate Endless Sands's second ability by tapping it and paying {2}, exiling Molderhulk.
Repeat from step 4.

Molderhulk

Combos with "Endless Sands"