Whenever a nontoken creature you control enters, you may pay {R}. If you do, create a token that's a copy of that creature. That token gains haste. Exile it at the beginning of the next end step.

As an additional cost to cast this spell, discard a card. Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

When this enchantment enters, you may discard a card. If you do, draw two cards. {1}, Sacrifice this enchantment: Creatures you control gain haste until end of turn.

{1}{R}: Creatures you control get +1/+0 and gain haste until end of turn. When this creature enters, discard any number of cards, then draw that many cards. When this creature dies, it deals X damage to each opponent and each planeswalker they control, where X is the number of land cards in your graveyard.

First strike When this creature enters, target opponent may have you draw three cards. If the player doesn't, you mill three cards, then this creature deals damage to that player equal to the total mana value of those cards.

Flying Whenever this creature deals combat damage to a player, each player discards their hand, then draws seven cards.

Whenever a creature you control deals combat damage to a player, choose one — • Goad target creature that player controls. • Exile the top card of that player's library. Until end of turn, you may cast that card and you may spend mana as though it were mana of any color to cast that spell.

At the beginning of your end step, you may sacrifice a creature. If you do, look at the top X cards of your library, where X is that creature's mana value. You may put a creature card from among them onto the battlefield. Put the rest on the bottom of your library in a random order.

Berzerker — Khârn the Betrayer attacks or blocks each combat if able. Sigil of Corruption — When you lose control of Khârn the Betrayer, draw two cards. The Betrayer — If damage would be dealt to Khârn the Betrayer, prevent that damage and an opponent of your choice gains control of it.

When this creature enters, target opponent reveals their hand. You may cast an instant or sorcery spell from among those cards without paying its mana cost.

Flying When this creature enters, choose an opponent. If that player has more cards in hand than you, draw cards equal to the difference.

Each land card in your hand has cycling {R}. Cycling {2} ({2}, Discard this card: Draw a card.)

As an additional cost to cast this spell, discard a card. Draw two cards and create two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

{T}: Add one mana of any color in your commander's color identity.

{3}, Sacrifice this creature: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

As this artifact enters, choose a color. Creatures you control of the chosen color get +1/+1. Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.

{T}: Add one mana of any color in your commander's color identity. Sacrifice this artifact: Draw a card.

{T}: Add {R}. As this artifact enters, you may have it become a copy of any creature on the battlefield until end of turn, except it has haste.

At the beginning of your upkeep, put two descent counters on this enchantment. Then each player creates X Treasure tokens and this enchantment deals X damage to each player, where X is the number of descent counters on this enchantment.

This artifact enters tapped. {T}: Add {R}.

{T}: Add {C}{C}. {2}, {T}, Sacrifice this artifact: Draw two cards.

{T}: Add {C}. {1}, {T}, Sacrifice this artifact: Draw a card.

When this creature enters, search your library for a basic land card or Cave card, put it onto the battlefield tapped, then shuffle.

{T}: Add {C}{C}.

When this creature enters, you may search your library for a basic land card, put that card onto the battlefield tapped, then shuffle. When this creature dies, you may draw a card.

{2}, {T}, Sacrifice this artifact: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

If a source you control would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

All creatures have double strike and attack each combat if able.

Artifact offering (You may cast this spell as though it had flash by sacrificing an artifact and paying the difference in mana costs between this and the sacrificed artifact. Mana cost includes color.) Flying, double strike Creatures attacking your opponents have double strike.

Trample If this creature would deal combat damage to a player, it deals double that damage to that player instead.

Flying, trample Double strike (This creature deals both first-strike and regular combat damage.) At the beginning of your upkeep, sacrifice this creature unless you pay {R}{R}{R}{R}. {R}: This creature gets +1/+0 until end of turn.

Flying When this creature enters, for each opponent, goad up to one target creature that opponent controls. Put X +1/+1 counters on this creature, where X is the total power of creatures goaded this way.

This spell can't be countered. Flying, haste {R}: Inferno of the Star Mounts gets +1/+0 until end of turn. When its power becomes 20 this way, it deals 20 damage to any target.

Flying Double strike (This creature deals both first-strike and regular combat damage.) When this creature enters, creatures you control gain double strike until end of turn.

Haste (This creature can attack and {T} as soon as it comes under your control.) When this creature enters, tap all other creatures.

Trample Traxos enters tapped and doesn't untap during your untap step. Whenever you cast a historic spell, untap Traxos. (Artifacts, legendaries, and Sagas are historic.)

({T}: Add {R}.)

This land enters tapped. {T}: Add {C}. {2}, {T}, Sacrifice this land: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

{T}: Add {C}{C}. Activate only if you control five or more lands.

{T}: Add {C}. {2}, {T}: You may put a basic land card from your hand onto the battlefield tapped.

Choose one — • Abrade deals 3 damage to target creature. • Destroy target artifact.

All creatures able to block this creature do so.

The owner of target permanent shuffles it into their library, then reveals the top card of their library. If it's a permanent card, they put it onto the battlefield.

Echo {4}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.) When this creature enters, it deals 4 damage to each other creature.

Flying When this creature enters, it deals 5 damage to target opponent unless that player sacrifices a creature of their choice.

Imprint — When this creature enters, you may exile target nontoken creature. As long as a card exiled with this creature is a creature card, this creature has the power, toughness, and creature types of the last creature card exiled with it. It's still a Shapeshifter.

{R}: This creature gets +1/+0 until end of turn. Whenever this creature enters or attacks, it deals 3 damage divided as you choose among one, two, or three targets.

Whenever this creature or another Vampire you control enters, this creature fights up to one target creature an opponent controls. Whenever a creature dealt damage by this creature this turn dies, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this token: Draw a card.")

When this creature enters, destroy target nonland permanent an opponent controls.

Flying {1}{R}: This creature gets +1/+0 until end of turn. Whenever this creature deals combat damage to a player, you may have it deal that much damage to target creature that player controls.

Flying When this creature enters, it deals damage to any target equal to the number of Mountains you control.

When this creature enters, target opponent chooses a permanent they control at random and sacrifices it. If a nonland permanent is sacrificed this way, repeat this process.

Flying When this creature enters, it deals 4 damage to any target. {R}: This creature gets +1/+0 until end of turn.

Whenever a creature you control enters, it deals damage equal to its power to any target.

Indestructible Whenever this creature is dealt damage, it deals that much damage to target opponent. {2}{R}, {T}: This creature fights another target creature.