Choose land or nonland. Reveal cards from the top of your library until you reveal a card of the chosen kind. Put that card into your hand and the rest on the bottom of your library in a random order.

At the beginning of your upkeep, discard a card at random. If you discard a creature card this way, return it from your graveyard to the battlefield unless any player pays 5 life.

At the beginning of your upkeep, reveal cards from the top of your library until you reveal a creature card. Until your next turn, Amplifire's base power becomes twice that card's power and its base toughness becomes twice that card's toughness. Put the revealed cards on the bottom of your library in a random order.

Enchant creature

Enchanted creature doesn't untap during its controller's untap step.

At the beginning of the upkeep of enchanted creature's controller, that player may discard a card at random. If the player does, untap that creature.

{4}, {T}: Target opponent exiles cards from the top of their library until they exile an instant or sorcery card. You may cast that card without paying its mana cost. Then put the exiled cards that weren't cast this way on the bottom of that library in a random order.

Draw a card, then each other player may draw a card. Whenever a card is drawn this way, Explosion of Riches deals 5 damage to target opponent chosen at random from among your opponents.

You may pay {2}{R}{R} rather than pay this spell's mana cost.

If the {2}{R}{R} cost was paid, an opponent discards any number of cards, then draws that many cards.

Search your library for up to three cards, put them into your hand, shuffle, then discard three cards at random.

{2}{U}, {T}, Sacrifice another creature: Reveal cards from the top of your library until you reveal a nonlegendary creature card. Put that card onto the battlefield and the rest on the bottom of your library in a random order.

Whenever another nontoken creature enters the battlefield under your control, investigate.

{T}, Sacrifice X Clues: Target opponent reveals the top X cards of their library. You may put a nonland permanent card with mana value X or less from among them onto the battlefield under your control. That player puts the rest on the bottom of their library in a random order.

Enchant player

Whenever enchanted player casts a noncreature spell, roll a d6. Maddening Hex deals damage to that player equal to the result. Then attach Maddening Hex to another one of your opponents chosen at random.

Reveal the top ten cards of your library. Starting with the next opponent in turn order, each opponent chooses a different nonland card from among them. Put the chosen cards into your hand and the rest on the bottom of your library in a random order.

When Scab-Clan Giant enters the battlefield, it fights target creature an opponent controls chosen at random.

For each nonland permanent, choose a player at random. Then each player gains control of each permanent for which they were chosen. Untap those permanents.

At the beginning of each player's draw step, that player puts the cards in their hand on the bottom of their library in any order, then draws that many cards.

Players can't gain life.

At the beginning of your upkeep, Witch Hunt deals 4 damage to you.

At the beginning of your end step, target opponent chosen at random gains control of Witch Hunt.

Xantcha, Sleeper Agent enters the battlefield under the control of an opponent of your choice.

Xantcha attacks each combat if able and can't attack its owner or planeswalkers its owner controls.

{3}: Xantcha's controller loses 2 life and you draw a card. Any player may activate this ability.

Trample

Whenever Yidris, Maelstrom Wielder deals combat damage to a player, as you cast spells from your hand this turn, they gain cascade. (When you cast the spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom of your library in a random order.)

Whenever an opponent draws their first card each turn, if it's not their turn, you create a 1/1 red Devil creature token with "When this creature dies, it deals 1 damage to any target."

Whenever one or more Devils you control attack one or more players, you and those players each draw a card, then discard a card at random.