Stitch Together
Sorcery
Return target creature card from your graveyard to your hand.
Threshold — Return that card from your graveyard to the battlefield instead if seven or more cards are in your graveyard.
Arnie Swekel
Commander 2018 (C18)
• #119Rulings
Checks the number of cards in your graveyard when it starts resolving. You may drop below seven cards during resolution, but that won’t stop it from resolving.
(wotc • 2004-10-04)
Rulings
Checks the number of cards in your graveyard when it starts resolving. You may drop below seven cards during resolution, but that won’t stop it from resolving.
(wotc • 2004-10-04)