The Royal Rook

Legendary Artifact

As Throne of Eldraine enters, choose a color. {T}: Add four mana of the chosen color. Spend this mana only to cast monocolored spells of that color. {3}, {T}: Draw two cards. Spend only mana of the chosen color to activate this ability.

Artifact

{T}, Sacrifice an artifact: Proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Legendary Artifact

At the beginning of your end step, each opponent loses life equal to the number of tapped creatures you control.

Sorcery

Look at the top twenty cards of your library, put any number of land cards from among them onto the battlefield tapped, then shuffle. You gain 8 life.

Creature — Thrull

Extort (Whenever you cast a spell, you may pay {W/B}. If you do, each opponent loses 1 life and you gain that much life.) {T}, Pay 2 life: Remove a counter from target nonland permanent.

Creature — Phyrexian Bird Horror

Flying Whenever this creature deals combat damage to a player, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)

Artifact

Affinity for Slivers (This spell costs {1} less to cast for each Sliver you control.) Slivers you control have double strike and haste. At the beginning of your upkeep, create two 1/1 colorless Sliver creature tokens.

Legendary Creature — Elemental Giant

Flash (You may cast this spell any time you could cast an instant.) Flying Spells you cast with mana value 5 or greater cost {1} less to cast and can't be countered.

Sorcery

As an additional cost to cast this spell, sacrifice a creature. Thud deals damage equal to the sacrificed creature's power to any target.

Creature — Drake

Flying Instant and sorcery spells you cast cost {1} less to cast. {2}{U}, Sacrifice this creature: When you next cast an instant or sorcery spell this turn, copy it for each time you've cast your commander from the command zone this game. You may choose new targets for the copies.

Artifact — Vehicle

Flying When this Vehicle enters, create two 2/2 white Astartes Warrior creature tokens with vigilance. Whenever this Vehicle attacks, attacking creatures you control gain flying until end of turn. Crew 2

Sorcery

As an additional cost to cast this spell, reveal a Dinosaur card from your hand or pay {1}. Search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Land — Island Mountain

({T}: Add {U} or {R}.) This land enters tapped. When this land enters, surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Creature — Spirit

Haste Whenever this creature attacks, put a +1/+1 counter on target creature you control. Then this creature deals X damage to each opponent, where X is the number of modified creatures you control other than this creature. (Equipment, Auras you control, and counters are modifications.)

Creature — Dragon

Flying You may look at the top card of your library any time. You may cast creature spells with power 4 or greater from the top of your library. If you cast a creature spell this way, it gains haste until end of turn.

Artifact — Vehicle

Trample Each other Vehicle and creature you control enters with an additional +1/+1 counter on it if its mana value is 4 or less. Otherwise, it enters with three additional +1/+1 counters on it. Crew 3

Token Creature — Otter Wizard

When this creature enters, look at the top four cards of your library. You may reveal a noncreature, nonland card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. (This token's mana cost is {1}{U}.)

Legendary Creature — Dragon God

Flying When Tiamat enters, if you cast it, search your library for up to five Dragon cards not named Tiamat that each have different names, reveal them, put them into your hand, then shuffle.

Legendary Planeswalker — Tibalt

Your opponents can't gain life. −2: Create a 1/1 red Devil creature token with "When this token dies, it deals 1 damage to any target."

Instant

Counter target spell. Choose 1, 2, or 3 at random. Its controller mills that many cards, then exiles cards from the top of their library until they exile a nonland card with a different name than that spell. They may cast that card without paying its mana cost. Then they put the exiled cards on the bottom of their library in a random order.

Creature — Fish

Any player may cast spells as though they had flash. Your opponents can't cast spells during your turn.

Creature — Merfolk Wizard

Kicker {1} (You may pay an additional {1} as you cast this spell.) When this creature enters, if it was kicked, target land becomes an Island for as long as this creature remains on the battlefield. This creature gets +1/+1 as long as an opponent controls an Island.

Legendary Creature — Human Warrior

At the beginning of combat on your turn, you may move a counter from target creature you control onto a second target creature you control. Cheer — Whenever one or more creatures you control with counters on them deal combat damage to a player, you may draw a card and proliferate. Do this only once each turn.

Legendary Creature — Human Monk

Trample Landfall — Whenever a land you control enters, double Tifa Lockhart's power until end of turn.

Legendary Creature — Human Monk

Melee (Whenever this creature attacks, it gets +1/+1 until end of turn for each opponent you attacked this combat.) Whenever one or more creatures you control with power 7 or greater deal combat damage to a player, untap all creatures you control. If it's the first combat phase of your turn, there is an additional combat phase after this phase.

Creature — Phyrexian Knight

Whenever you cast a spell that targets one or more permanents, incubate 2. (Create an Incubator token with two +1/+1 counters on it and "{2}: Transform this token." It transforms into a 0/0 Phyrexian artifact creature.)

Creature — Treefolk

Reach, trample Forestcycling {2} ({2}, Discard this card: Search your library for a Forest card, reveal it, put it into your hand, then shuffle.)

Token Creature — Zombie Dragon

Flying

Legendary Artifact

Timeless Lotus enters tapped. {T}: Add {W}{U}{B}{R}{G}.

Token Creature — Zombie Human Shaman

When Timeless Witness enters the battlefield, return target card from your graveyard to your hand.

Enchantment — Aura

You may cast this spell as though it had flash if it targets a commander. Enchant creature Enchanted creature has indestructible.

Instant

End the turn. (Exile all spells and abilities, including this spell. The player whose turn it is discards down to their maximum hand size. Damage heals and "this turn" and "until end of turn" effects end.)

Creature — Human Pirate Wizard

Ascend (If you control ten or more permanents, you get the city's blessing for the rest of the game.) {2}{U}{U}, {T}, Put this creature on the bottom of its owner's library: Take an extra turn after this one. Activate only if you have the city's blessing.

Sorcery

Return a creature you control to its owner's hand, then destroy all creatures.

Creature — Plant Wall

Defender (This creature can't attack.) Sacrifice this creature: Add {R}{R}. {R}, Sacrifice this creature: It deals 2 damage to target creature it's blocking.

Sorcery

As an additional cost to cast this spell, sacrifice an artifact. Search your library for an artifact card, put that card onto the battlefield, then shuffle.

Legendary Creature — Skeleton Rogue

Whenever an opponent discards a card, exile it from their graveyard with a stash counter on it. During your turn, you may play cards you don't own with stash counters on them from exile, and mana of any type can be spent to cast those spells. {3}{B}, {T}: Each opponent discards a card. Activate only as a sorcery.

Legendary Enchantment

When Tinybones Joins Up enters, any number of target players each discard a card. Whenever a legendary creature you control enters, any number of target players each mill a card and lose 1 life.

Legendary Creature — Skeleton Rogue

Deathtouch Whenever Tinybones deals combat damage to a player, you may cast target nonland permanent card from that player's graveyard, and mana of any type can be spent to cast that spell.

Legendary Creature — Squirrel Hero

If you would create one or more tokens, instead create those tokens plus an additional Food token. (It's an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life.") At the beginning of your end step, if you gained life this turn, draw a card.

Creature — Elf Scout

Landfall — Whenever a land you control enters, create a Food token or a Treasure token. (Food is an artifact with "{2}, {T}, Sacrifice this token: You gain 3 life." Treasure is an artifact with "{T}, Sacrifice this token: Add one mana of any color.")