Scuttling Sliver Combos
Leyline of Abundance + Scuttling Sliver + Cryptolith Rite
Leyline of Abundance + Scuttling Sliver + Gemhide Sliver
Leyline of Abundance + Scuttling Sliver + Manaweft Sliver
Scuttling Sliver + Ashnod's Altar + Elemental Mastery
Combo result
Infinite creature tokens with haste. Infinite colorless mana. Infinite ETB. Infinite LTB. Infinite death triggers. Infinite sacrifice triggers.
Prerequisites
All permanents on the battlefield. Elemental Mastery attached to Scuttling Sliver. Scuttling Sliver does not have summoning sickness.