At the beginning of combat on each opponent's turn, that player may exile a card from their graveyard. If the player doesn't, creatures they control can't attack you this turn.
Target nonblack creature gets -1/-1 until end of turn.Threshold — If seven or more cards are in your graveyard, instead destroy that creature. It can't be regenerated.
Create two 2/2 green Bear creature tokens.Threshold — Create four 2/2 green Bear creature tokens instead if seven or more cards are in your graveyard.Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Krosan Verge enters tapped.: Add ., , Sacrifice Krosan Verge: Search your library for a Forest card and a Plains card, put them onto the battlefield tapped, then shuffle.
Threshold — As long as seven or more cards are in your graveyard, Vigilant Sentry gets +1/+1 and has ": Target attacking or blocking creature gets +3/+3 until end of turn."
Create X 1/1 red Elemental Cat creature tokens with haste. Exile them at the beginning of the next end step.Flashback—, Sacrifice X Mountains. (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Discard a card at random: Barbarian Bully gets +2/+2 until end of turn unless a player has Barbarian Bully deal 4 damage to them. Activate only once each turn.
When Wormfang Behemoth enters, exile all cards from your hand.When Wormfang Behemoth leaves the battlefield, return the exiled cards to their owner's hand.
Permanents don't untap during their controllers' untap steps.At the beginning of each player's upkeep, that player chooses a permanent for each card in their graveyard, then untaps those permanents.
TrampleWhen Soulgorger Orgg enters, you lose all but 1 life.When Soulgorger Orgg leaves the battlefield, you gain life equal to the life you lost when it entered.
Lightning Surge deals 4 damage to any target.Threshold — If seven or more cards are in your graveyard, instead Lightning Surge deals 6 damage to that permanent or player and the damage can't be prevented.Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)
Discard a card: Cephalid Inkshrouder gains shroud until end of turn and can't be blocked this turn. (A creature with shroud can't be the target of spells or abilities.)
