Offspring {1}{R} (You may pay an additional {1}{R} as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.) Whenever another creature you control enters, this creature deals 1 damage to each opponent.

Whenever a creature you control enters, this enchantment deals 1 damage to each opponent.

Whenever another creature you control enters, this creature deals 1 damage to each opponent. Unearth {R} ({R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.)

Indestructible As long as your devotion to red is less than five, Purphoros isn't a creature. Whenever another creature you control enters, Purphoros deals 2 damage to each opponent. {2}{R}: Creatures you control get +1/+0 until end of turn.

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

Flash When this creature enters, copy target instant or sorcery spell. You may choose new targets for the copy.

Create a token that's a copy of target artifact or creature you control, except it's an artifact in addition to its other types. It gains haste until end of turn. Sacrifice it at the beginning of the next end step.

Counter target instant spell.

You may pay 1 life and exile a blue card from your hand rather than pay this spell's mana cost. Counter target spell.

Draw three cards, then put two cards from your hand on top of your library in any order.

Each player shuffles their hand and graveyard into their library, then draws seven cards. Flashback {2}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

({U/P} can be paid with either {U} or 2 life.) Look at target player's hand. Draw a card.

{U}, {T}: Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

{1}{R}, {T}, Sacrifice this creature: Each player discards their hand, then draws seven cards.

Join forces — Starting with you, each player may pay any amount of mana. Each player draws X cards, where X is the total amount of mana paid this way.

Each player shuffles the cards from their hand into their library, then draws that many cards. Metalcraft — If you control three or more artifacts, Molten Psyche deals damage to each opponent equal to the number of cards that player has drawn this turn.

Each player shuffles their hand and graveyard into their library, then draws seven cards. Exile Time Reversal.

Exile Time Spiral. Each player shuffles their hand and graveyard into their library, then draws seven cards. You untap up to six lands.

Each player shuffles their hand and graveyard into their library, then draws seven cards. (Then put Timetwister into its owner's graveyard.)

Any number of target opponents each discard their hands, then draw seven cards. Draw a card.

Each player discards their hand, then draws seven cards.

Each player discards their hand, then draws cards equal to the greatest number of cards a player discarded this way.

({T}: Add {G} or {U}.) As this land enters, you may pay 2 life. If you don't, it enters tapped.

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

This land enters tapped unless you control two or more other lands. {T}: Add {G} or {U}.

{T}: Add one mana of any color that a land an opponent controls could produce.

{T}: Add {C}. {G/U}, {T}: Add {G}{G}, {G}{U}, or {U}{U}.

({T}: Add {G}.)

This land enters tapped. {T}: Add {G}, {U}, or {R}.

{T}: Add {G} for each creature you control.

This land enters tapped unless you control a Forest or an Island. {T}: Add {G} or {U}.

({T}: Add {U}.)

{T}: Add {C}. {T}: Add {R} or {G}. This land deals 1 damage to you.

({T}: Add {G}, {U}, or {R}.) This land enters tapped. Cycling {3} ({3}, Discard this card: Draw a card.)

({T}: Add {R}.)

{T}: Add one mana of any type that a land you control could produce.

This land enters tapped unless you have two or more opponents. {T}: Add {G} or {U}.

This land enters tapped unless you control two or more other lands. {T}: Add {R} or {G}.

This land enters tapped unless you control a Mountain or a Forest. {T}: Add {R} or {G}.

This land enters tapped unless you have two or more opponents. {T}: Add {R} or {G}.

This land enters tapped unless you control two or more other lands. {T}: Add {U} or {R}.

{T}: Add {C}. {T}, Sacrifice this land: Destroy target land.

This land enters tapped unless you control an Island or a Mountain. {T}: Add {U} or {R}.

This land enters tapped unless you have two or more opponents. {T}: Add {U} or {R}.

({T}: Add {G} or {U}.)

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

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

Sacrifice a creature: Add {C}{C}.

Flying {T}: Add one mana of any color.

Creatures you control have "{T}: Add one mana of any color."

{T}: Add {C}. {T}: Add one mana of any color. Spend this mana only to cast a legendary spell, and that spell can't be countered.

Exile this creature from your hand: Add {G}.

Vigilance Creatures you control have "{T}: Add one mana of any color." When Enduring Vitality dies, if it was a creature, return it to the battlefield under its owner's control. It's an enchantment. (It's not a creature.)

{T}: Add one mana of any color that a land an opponent controls could produce.

Suspend 3—{0} (Rather than cast this card from your hand, pay {0} and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.) {T}, Sacrifice this artifact: Add three mana of any one color.

{T}, Sacrifice this artifact: Add one mana of any color.

If this artifact would enter, you may discard a land card instead. If you do, put this artifact onto the battlefield. If you don't, put it into its owner's graveyard. {T}: Add one mana of any color.

Sacrifice a creature: Add one mana of any color.

Exile this card from your hand: Add {R}.

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

{T}: Add {C}. {T}: Add {U} or {R}. This artifact deals 1 damage to you.

{T}: Add {C}. {T}: Add {R} or {G}. This artifact deals 1 damage to you.

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.

Revolt — As long as a permanent left the battlefield under your control this turn, if a source you control would deal noncombat damage to an opponent or a permanent an opponent controls, it deals that much damage plus 2 instead. Whenever you get one or more {E}, this enchantment deals that much damage to any target.

Counter target noncreature spell. Its controller creates two Treasure tokens. (They're artifacts with "{T}, Sacrifice this token: Add one mana of any color.")

Counter target spell. Its controller may draw up to two cards at the beginning of the next turn's upkeep. You draw a card at the beginning of the next turn's upkeep.

Return target nonland permanent to its owner's hand. Then that permanent's controller may sacrifice a land of their choice. If the player does, they may copy this spell and may choose a new target for that copy.

Counter target spell.

Gift a tapped Fish (You may promise an opponent a gift as you cast this spell. If you do, they create a tapped 1/1 blue Fish creature token before its other effects.) Return target creature an opponent controls to its owner's hand. If the gift was promised, instead return target nonland permanent an opponent controls to its owner's hand.

Counter target spell. At the beginning of your next main phase, add an amount of {C} equal to that spell's mana value.

Choose target nonlegendary creature. The next time one or more creatures or planeswalkers enter this turn, they enter as copies of the chosen creature. Foretell {U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Destroy target artifact or enchantment. Its controller gains 4 life.

Destroy target creature. It can't be regenerated. Its controller creates a 3/3 green Ape creature token.

Choose one — • Counter target blue spell. • Destroy target blue permanent.

Return target creature to its owner's hand. Untap up to two lands.

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Search your library for a creature card with mana value X or less, put it onto the battlefield, then shuffle.

As an additional cost to cast this spell, sacrifice a creature. Search your library for a creature card with mana value X or less, where X is 2 plus the sacrificed creature's mana value. Put that card onto the battlefield, then shuffle. Exile Eldritch Evolution.

Search your library and/or graveyard for a creature card with mana value X or less and put it onto the battlefield. If you search your library this way, shuffle. If X is 10 or more, creatures you control get +X/+X and gain haste until end of turn.

Search your library for a card, put that card into your hand, discard a card at random, then shuffle.