If the activation of a Spell or Trap Card is negated, that card is sent to the Graveyard, but it is not treated as being sent from the field
Excalibur, Sword of Eden is a sweet new Equipment that should stick to historic decks in order to shave down that mana cost, unless youre counting on your commander having a high enough mana cost to discount it
That often means more lands that enter tapped, which often means you want a little more land count or cheaper ramp to compensate
Sky Striker decks tend to go through a hefty amount of Spell cards, making it trivial to set up to get two effects
This can help it stick around to keep putting in work exiling enemy creatures that were put into the graveyard by that same board wipe
Yet, players never seem to give up on the idea of trying to OTK their opponents with Exodia