Decaying Soil

At the beginning of your upkeep, exile a card from your graveyard. Threshold — As long as there are seven or more cards in your graveyard, this enchantment has "Whenever a nontoken creature is put into your graveyard from the battlefield, you may pay {1}. If you do, return that card to your hand."

From Magic: The Gathering.

Open the interactive version on https://mythscribe.cloud/app/tcg/cards/cms6opr2nixwppb1h5puu89so.