Atreus by paying ({3} magic symbol) and tapping it, causing you to draw a card for each experience counter you have, discard a card, and deal 2 damage to each opponent.
Activate
Mind Over Matter by discarding a card, untapping a mana-producing permanent.
Activate the permanent by tapping it, adding at least ({1} magic symbol) .
Repeat from step 2 until you have ({3} magic symbol) or more available.
Activate
Mind Over Matter by discarding a card, untapping
Atreus.
Repeat.
Notes
If the permanent taps for ({2} magic symbol) or more, the number of experience counters you need can be reduced. The minimum number of counters would be three.
Results
Infinite self-discard triggers.
Infinite draw triggers.
Infinite looting.
Near-infinite card draw.
Near-infinite untap of permanents you control.
Near-infinite mana permanents you control can produce.