Super-Skrull's fourth ability by paying ({3} magic symbol) ({U} magic symbol) due to
Zirda, causing an opponent to draw four cards.
Smothering Tithe triggers four times, causing you to create four Treasure tokens.
Activate the Treasures by tapping and sacrificing them, adding ({3} magic symbol) ({U} magic symbol) .
Repeat.
Notes
If the opponent can pay for
Smothering Tithe's trigger, you can still perform the combo if you have enough mana to outlast their mana supply. You can also continue this combo for other opponents if mana allows.
Results
Infinite card draw for any number of opponents.
Infinite draw triggers for any number of opponents.