Odyssey

At the beginning of your upkeep, exile a card from your graveyard. Threshold — As long as seven or more cards are in your graveyard, Decaying Soil ...

Target player exiles all cards with flashback from their graveyard.

Target player reveals their hand. That player discards all nonland cards with the same name as another card in their hand.

Destroy target nonblack creature if its toughness is less than or equal to the number of cards in your graveyard.