The Dark Singles

Destroy all Goblins.

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

{T}, Sacrifice this creature: Destroy target Wall.

Defender (This creature can't attack.) Exile a creature card from your graveyard: Put X +0/+1 counters on this creature, where X is the exiled card's mana value.

Prevent all damage that would be dealt to this creature by creatures.

Exile two target nonartifact creatures. Ashes to Ashes deals 5 damage to you.

{3}, {T}: Target player reveals a card at random from their hand. If it's a land card, that player discards it unless they pay 1 life. If it isn't a land card, the player discards it unless they pay life equal to its mana...

Nonbasic lands are Mountains.

{T}, Exile a creature you control: Put a storage counter on this land. {T}: Add {C} for each storage counter on this land.

{3}, {T}: Target attacking creature gets +2/+0 until end of turn. When that creature leaves the battlefield this turn, sacrifice this artifact. If the creature deals damage to a creature this turn, the creature dealt damage can't be regenerated this turn. If a creature...

{T}, Sacrifice this artifact: The next time a source of your choice would deal damage to you this turn, prevent half that damage, rounded down.

You and target opponent each flip a coin. Mana Clash deals 1 damage to each player whose coin comes up tails. Repeat this process until both players' coins come up heads on the same flip.

Whenever this creature attacks, it gets +1/-2 until end of turn. {1}{R}{R}, {T}: Target creature gains mountainwalk until end of turn. (It can't be blocked as long as defending player controls a Mountain.)

Whenever this creature blocks or becomes blocked, you may pay {1}{G}. If you do, this creature gains first strike until end of turn. Otherwise, each creature blocking or blocked by this creature gains first strike until end of turn.

{T}: Choose two target blocking creatures controlled by the same opponent. If each of those creatures could block all creatures that the other is blocking, remove both of them from combat. Each one then blocks all creatures the other was blocking. Whenever this land...

{1}, {T}, Pay 1 life: Add one mana of any color.

Defender

{3}: Target creature doesn't untap during its controller's next untap step.

{X}, {T}: This creature deals half X damage, rounded down, to any target, and half X damage, rounded up, to you.

Players can't play lands. Lands can't enter the battlefield. At the beginning of each upkeep, any player may sacrifice two lands of their choice or have this enchantment deal 5 damage to that player. If a player does either, destroy this enchantment.

{T}, Sacrifice another Orc or Goblin: Other Orc creatures get +1/+1 until end of turn.

{T}: Target creature can't be blocked by Walls this turn.

{2}, {T}: All creatures get -1/-0 until end of turn.

Enchant land At the beginning of the upkeep of enchanted land's controller, destroy that land unless that player pays {1} or 1 life.

Target player reveals their hand. Inquisition deals damage to that player equal to the number of white cards in their hand.

{2}, Pay 2 life: Draw a card.

{T}: Add {R}.

This creature can't attack unless defending player controls an Island. Whenever this creature blocks or becomes blocked by a creature that has been dealt damage this turn, this creature gets +2/+0 and gains trample until end of turn. When you control no Islands, sacrifice...