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'Add {B}{B}{B}.
Threshold — Add {B}{B}{B}{B}{B} instead if there are seven or more cards in your graveyard.
'Choose a nonland card name. Target player reveals their hand and discards all cards with that name. Flashback—Sacrifice a creature. (You may cast this card from your graveyard for its...
'Add {B}{B}{B}.
'Any number of target players each discard a number of cards equal to the greatest mana value among permanents you control.
'Choose a nonland card name. Target player reveals their hand and discards all cards with that name. Flashback—Sacrifice a creature. (You may cast this card from your graveyard for its...
'{X}{B}, {T}: Target player reveals X cards from their hand and you choose one of them. That player discards that card. Activate only as a sorcery.
'Whenever a player casts a spell, that player discards X cards, where X is the number of cards in all graveyards with the same name as that spell.
'Destroy each nonland permanent with mana value 2 or less. Add {B} or {G} for each permanent destroyed this way.
'Any number of target players each discard a number of cards equal to the greatest mana value among permanents you control.
'{2}, {T}: Add {B} for each Swamp you control.
'Destroy each nonland permanent with mana value 2 or less. Add {B} or {G} for each permanent destroyed this way.
'Choose a nonland card name. Target player reveals their hand and discards all cards with that name. Flashback—Sacrifice a creature. (You may cast this card from your graveyard for its...