Sword of Feast and Famine
Modern Event Deck 2014 — mythic
Artifact — Equipment
Sword of Feast and Famine rulings:
2020-08-07: You'll untap all lands you control even if the player can't discard a card.
2020-08-07: You can tap your lands for mana while the triggered ability is on the stack. However, you'll lose any mana you produce this way if you don't spend it before the end of the current combat damage step.