The Game Cave

Creature — Scorpion

Whenever this creature deals damage to a player, that player gets a poison counter. (A player with ten or more poison counters loses the game.)

Instant

Until end of turn, if target player would draw a card, instead that player skips that draw and you draw a card.

Artifact

At the beginning of your upkeep, put a plague counter on this artifact. {1}{B}{G}: Put a plague counter on this artifact or remove a plague counter from it. When this artifact has three or more plague counters on it, sacrifice it. If you do, destroy all nonland permanents.

Creature — Phyrexian Carrier

Deathtouch As this creature enters, choose a creature type. Creatures of the chosen type your opponents control get -1/-1.

Creature — Phyrexian Insect Horror

Flying Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Sorcery

Destroy all creatures you don't control. They can't be regenerated.

Sorcery

Return all basic land cards from all graveyards to the battlefield tapped under their owners' control.

Sorcery

Destroy all nonland permanents.

Enchantment

At the beginning of your upkeep, if there are four or more creatures on the battlefield, sacrifice this enchantment and destroy all creatures. They can't be regenerated.

Artifact

{6}, {T}: Search your library for a card, put that card into your hand, then shuffle.

Enchantment

Whenever another card is put into a graveyard from anywhere, exile that card.

Creature — Human Wizard

{R}: You may put a planeswalker card from your hand onto the battlefield. Sacrifice it at the beginning of the next end step.

Enchantment

{3}{R}: Target opponent reveals a card at random from their hand. This enchantment deals damage equal to that card's mana value to that player. Activate only as a sorcery.

Enchantment

{3}{U}: Target opponent reveals a card at random from their hand. If it's an instant or sorcery card, exile it. You may cast it without paying its mana cost for as long as it remains exiled. At the beginning of the next end step, if you haven't cast it, return it to its owner's hand. Activate only as a sorcery.

Legendary Artifact

{1}, {T}: Scry 2. Whenever you scry or surveil, look at the top card of your library. You may cast that card without paying its mana cost. Do this only once each turn. (Look at the card after you scry or surveil.)

Artifact — Equipment

Equipped creature gets +1/+1. Whenever equipped creature attacks, you get {E}{E} (two energy counters). Pay {E}{E}: Choose target creature that's blocking equipped creature. Flip a coin. If you win the flip, exile the chosen creature. Otherwise, this Equipment deals 1 damage to it. Equip {2}

Land — Mountain Plains

({T}: Add {R} or {W}.)

Creature — Pegasus

Flash (You may cast this spell any time you could cast an instant.) Flying If a spell would deal damage to a permanent or player, prevent 1 damage that spell would deal to that permanent or player.

Creature — Wurm

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

Artifact Creature — Angel

Flying You can't lose the game and your opponents can't win the game.

Artifact Creature — Golem

Your life total can't change. (You can't gain or lose life. You can't pay any amount of life except 0.)

Sorcery

Assist (Another player can pay up to {6} of this spell's cost.) Exile all nonland permanents.

Land

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a legendary spell. {T}: Add one mana of any color among legendary permanents you control. {3}, {T}, Exile this land: Target legendary creature gains hexproof and indestructible until end of turn.

Sorcery

Will of the council — Starting with you, each player votes for time or knowledge. If time gets more votes, take an extra turn after this one. If knowledge gets more votes or the vote is tied, draw three cards.