This land enters tapped. {T}: Add {R}. {T}, Sacrifice this land: Add {R}{R}.

({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}. {4}, {T}: Target creature can't be blocked this turn.

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

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

Whenever a Dragon you control enters, put a gold counter on this artifact. {T}, Remove a gold counter from this artifact: Draw a card. {T}: Add one mana of any color.

{2}, {T}: Draw a card. Activate only if you control three or more lands with the same name.

Red creature spells you cast cost {1} less to cast. Whenever you cast a creature spell, you may discard a card. If you do, draw a card.

As this artifact enters, choose a color. Creatures you control of the chosen color get +1/+0. {T}: Add one mana of the chosen color.

Equipped creature has haste and shroud. (It can't be the target of spells or abilities.) Equip {0}

Equipped creature gets +1/+2 and has hexproof. (It can't be the target of spells or abilities your opponents control.) Equip {3}

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

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

Equipped creature has hexproof and haste. (It can't be the target of spells or abilities your opponents control. It can attack and {T} no matter when it came under your control.) Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Anger of the Gods deals 3 damage to each creature. If a creature dealt damage this way would die this turn, exile it instead.

Draw two cards, then discard two cards. Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

All creatures lose indestructible until end of turn. Hour of Devastation deals 5 damage to each creature and each non-Bolas planeswalker.

Add {R} for each tapped land your opponents control.

Pyroclasm deals 2 damage to each creature.

Choose one — • Slagstorm deals 3 damage to each creature. • Slagstorm deals 3 damage to each player.

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

Whenever a creature you control attacks or a creature you control enters attacking, you may pay {1}{R}. If you do, you may put a creature card with mana value less than that creature's mana value from your hand onto the battlefield tapped and attacking.

{T}: Target creature gains haste until end of turn. (It can attack and {T} this turn.)

Defender {T}: Target creature gains haste until end of turn.

{T}: Target creature gains haste until end of turn. (It can attack and {T} this turn.)

Flying Commander creatures you control get +2/+2 and have haste.

Flash Flying When this creature enters, it deals 5 damage divided as you choose among any number of targets.

All creatures able to block this creature do so.

Changeling (This card is every creature type.) Haste Champion a creature (When this enters, sacrifice it unless you exile another creature you control. When this leaves the battlefield, that card returns to the battlefield.)

Whenever this creature or another Pirate you control enters, gain control of target creature until end of turn. Untap that creature. Until end of turn, it gains haste and becomes a Pirate in addition to its other types.

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 When this creature enters, gain control of target creature an opponent controls until end of turn. Untap that creature. It gains haste until end of turn.

Defender {T}: Creatures you control gain haste until end of turn.

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

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

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.

When this creature enters, create three 0/1 colorless Eldrazi Spawn creature tokens. They have "Sacrifice this token: Add {C}."

Flying This creature can't block. Rejuvenation — When this creature dies, exile it. If you do, exile the top card of your library. Until the end of your next turn, you may play one of those cards. (If you cast Flameskull this way, you can't play the other card, and vice versa.)

{T}, Sacrifice this creature: Add {C}{C}. If that mana is spent on a creature spell, it gains haste until end of turn. (That creature can attack and {T} as soon as it comes under your control.)

Flying, haste You may exert this creature as it attacks. When you do, it deals 4 damage to target non-Dragon creature an opponent controls. (An exerted creature won't untap during your next untap step.)

{T}: Target creature gains haste until end of turn. (It can attack and {T} this turn.)

Flying, haste {1}{R}: This creature gets +X/+0 until end of turn, where X is the number of artifacts you control.

{T}: Add {R}.

Flying Whenever another nontoken Dragon you control enters, create a 5/5 red Dragon creature token with flying. {1}{R}: Dragons you control get +1/+0 until end of turn.

Flying, trample Join forces — Whenever this creature attacks or blocks, each player starting with you may pay any amount of mana. This creature gets +X/+0 until end of turn, where X is the total amount of mana paid this way.

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

Whenever another creature you control enters, that creature gets +2/+0 and gains haste until end of turn. (It can attack and {T} this turn.)

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

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.

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

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.

Flying Whenever a Dragon you control becomes the target of a spell or ability an opponent controls, this creature deals 3 damage to that player.

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

Trample When this creature enters, discover 5. {2}{R}, Discard this card: It deals 3 damage to target creature or planeswalker.

Defender, reach Creatures you control have haste.

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

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.")

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.

Target creature gains haste until end of turn. Draw a card.

Add {R}{R}{R}{R}{R}.

Target creature gains double strike until end of turn. Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater.

As an additional cost to cast this spell, discard a card. Draw two cards.