Geth's Summons Combos
Phyrexian Altar + Geth's Summons + Archaeomancer
Combo result
Infinite ETB. Infinite LTB. Infinite sacrifice triggers. Infinite death triggers. Infinite blinking of creatures in opponent's graveyards.
Prerequisites
Geth's Summons in hand. Archaeomancer in graveyard. Phyrexian Altar on the battlefield. At least three opponents have at least three poison counters each and at least one creature card each in their graveyards. {B}{B} available.