Horde of Notions + Jegantha, the Wellspring + Ashling's Command + Samut, Tyrant Smasher
Horde of Notions
Jegantha, the Wellspring
Ashling's Command
Samut, Tyrant Smasher
Infinite artifact ETBInfinite artifact LTBInfinite artifact sacrifice triggersInfinite artifact tokensInfinite creature ETBInfinite creature LTBInfinite Treasure tokensInfinite card draw for any number of playersInfinite colored manaInfinite creature tokens with hasteInfinite draw triggers for any number of playersInfinite magecraft triggersInfinite storm countInfinite token copies of Elementals you control with haste
How it works
Activate Jegantha by tapping it, adding that cannot be spent to pay generic mana costs.
If Ashling's Command is in your graveyard, activate Horde of Notions by paying , causing you to cast Ashling's Command from your graveyard without paying its mana cost. Otherwise, cast Ashling's Command by paying 3.
Resolve Ashling's Command, creating a token copy of Jegantha and choosing any of its remaining modes.
Put the tapped Jegantha into your graveyard due to the legend rule.