Stronghold

All Slivers have "2, Sacrifice this permanent: This permanent deals 2 damage to any target."

1, Discard a card at random: Put a +1/+1 counter on target creature.

At the beginning of each upkeep, untap all creatures and lands.

Prevent the next 1 damage that would be dealt to any target this turn. Draw a card.

At the beginning of each player's upkeep, that player discards a card at random.

Buyback 2BB (You may pay an additional 2BB as you cast this spell. If you do, put this card into your hand as it resolves.) Target opponent loses 2 life. You gain 2 life.

2, T: This artifact deals 1 damage to target creature. That creature attacks this turn if able.

Whenever an opponent plays a land, you may put a land card from your hand onto the battlefield.

W, T: This creature loses this ability and becomes an Aura enchantment with enchant creature. Attach it to target creature. You may pay W to end this effect. Enchanted creature can't attack.

Choose two target creatures controlled by the same player. Exile one of those creatures and put two +1/+1 counters on the other.

Trample 1G: Regenerate this creature.

Buyback 3 (You may pay an additional 3 as you cast this spell. If you do, put this card into your hand as it resolves.) Target creature can't attack this turn.

Flying This creature can block only creatures with flying.

Buyback—Sacrifice a land. (You may sacrifice a land in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.) Prevent all combat damage that would be dealt this turn.

Whenever you cast a spell, you gain 1 life.

Enchant creature When enchanted creature attacks, return it and this Aura to their owners' hands at end of combat.

Enchant creature Enchanted creature gets +1/+3. W: Return this Aura to its owner's hand.

R, T: This creature loses this ability and becomes an Aura enchantment with enchant creature. Attach it to target creature. You may pay R to end this effect. Enchanted creature can't block.

B, T: This creature loses this ability and becomes an Aura enchantment with enchant creature. Attach it to target creature. You may pay B to end this effect. Enchanted creature has fear. (It can't be blocked except by artifact creatures and/or black creatures.)

This creature can't block.

Creatures you control gain reach until end of turn. (They can block creatures with flying.)

Crovax enters with four +1/+1 counters on it. At the beginning of your upkeep, you may sacrifice a creature. If you do, put a +1/+1 counter on Crovax. If you don't, remove a +1/+1 counter from Crovax. B: Crovax gains flying until end of turn.

All Slivers have shroud. (They can't be the targets of spells or abilities.)

T: Target creature gains shadow until end of turn. (It can block or be blocked by only creatures with shadow.)