Altar of the Lost enters the battlefield tapped.

{T}: Add two mana in any combination of colors. Spend this mana only to cast spells with flashback from a graveyard.

Put two +1/+1 counters on target creature. It gains vigilance, trample, lifelink, indestructible, and haste until end of turn.

Flashback {2}{R}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Look at the top four cards of your library. You may reveal an instant or sorcery card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.

Flashback {3}{U}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Flying

Whenever Backdraft Hellkite attacks, each instant and sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost.

Create two 1/1 white Bird creature tokens with flying.

Flashback--Tap three untapped white creatures you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Create a token that's a copy of target creature you control.

Flashback {5}{U}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Create a 5/5 blue and red Elemental creature token with flying.

Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Flashback costs you pay cost up to {2} less.

Flashback costs your opponents pay cost {2} more.

Create two 1/1 white Kithkin Soldier creature tokens.

Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Conflagrate deals X damage divided as you choose among any number of targets.

Flashback--{R}{R}, Discard X cards. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Target player draws two cards.

Flashback--{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Devil's Play deals X damage to any target.

Flashback {X}{R}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Each player chooses a creature they control. Destroy the rest.

Flashback {5}{W}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Destroy target land.

Flashback {5}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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.)

You gain 2 life, draw two cards, then discard two cards.

Flashback {1}{W}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

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.)

Counter target spell.

Flashback {5}{U}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Firebolt deals 2 damage to any target.

Flashback {4}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Create X 1/1 red Elemental Cat creature tokens with haste. Exile them at the beginning of the next end step.

Flashback--{R}{R}, Sacrifice X Mountains. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Flaming Gambit deals X damage to target player or planeswalker. That player or that planeswalker's controller may choose a creature they control and have Flaming Gambit deal that damage to it instead.

Flashback {X}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Look at the top X cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order.

Flashback--{1}{U}, Exile X blue cards from your graveyard. (You may cast this card from your graveyard for its flashback cost, then exile it. You can't exile Flash of Insight to pay for its own flashback cost.)

When you cast your next instant or sorcery spell this turn, copy that spell. You may choose new targets for the copy.

Flashback {1}{U}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

As an additional cost to cast this spell, tap three untapped white creatures you control.

Exile target creature.

Flashback {5}{W} (You may cast this card from your graveyard for its flashback cost and any additional costs. Then exile it.)

Exile target nonlegendary creature, then return it to the battlefield under its owner's control. If it entered under your control, put a +1/+1 counter on it. Otherwise, tap it.

Flashback {1}{W}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Exile the top three cards of your library. Until the end of your next turn, you may play those cards. If this spell was cast from a graveyard, you may play cards this way without paying their mana costs.

Flashback {7}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Create five 1/1 white Human creature tokens. If this spell was cast from a graveyard, create ten of those tokens instead.

Flashback {7}{W}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Copy target instant or sorcery spell you control. If this spell was cast from a graveyard, copy that spell twice instead. You may choose new targets for the copies.

Flashback {3}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Converge -- Kaleidoscorch deals X damage to any target, where X is the number of colors of mana spent to cast this spell.

Flashback {4}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Spells can't be countered.

Each instant and sorcery card in your graveyard has flashback. The flashback cost is equal to that card's mana cost.

Light Up the Night deals X damage to any target. It deals X plus 1 damage instead if that target is a creature or planeswalker.

Flashback--{3}{R}, Remove X loyalty counters from among planeswalkers you control. If you cast this spell this way, X can't be 0. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Creatures you control get +1/+1 and gain vigilance until end of turn.

Cycling {2} ({2}, Discard this card: Draw a card.)

Flashback {3}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Until your next turn, creatures target player controls have base power and toughness 1/1.

Flashback {3}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Look at the top X cards of your library, where X is the amount of mana spent to cast this spell. Put two of them into your hand and the rest on the bottom of your library in a random order.

Flashback {5}{U}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Exile target creature you control, then return it to the battlefield under its owner's control.

Flashback {3}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Return target instant or sorcery card from your graveyard to your hand.

Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Each instant and sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost.

Flashback {4}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Prevent all damage that sources of the color of your choice would deal this turn.

Flashback--Tap an untapped white creature you control. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Search target player's library for up to three cards with flashback and put them into that player's graveyard. Then the player shuffles.

Creatures you control get +2/+0 until end of turn.

Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Put target permanent you own on the bottom of your library. Reveal cards from the top of your library until you reveal a card that shares a card type with that permanent. Put that card onto the battlefield and the rest on the bottom of your library in a random order.

Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Target sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (Mana cost includes color.)

Flashback {3}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Rolling Temblor deals 2 damage to each creature without flying.

Flashback {4}{R}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Return target exiled card with flashback you own to your hand.

Sacred Fire deals 2 damage to any target and you gain 2 life.

Flashback {4}{R}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Investigate. If this spell was cast from a graveyard, investigate twice instead. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.")

Flashback {3}{U}

Untap target creature. After this main phase, there is an additional combat phase followed by an additional main phase.

Flashback {2}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Create a red Elemental creature token with trample and "This creature's power and toughness are each equal to the number of instant and sorcery cards in your graveyard plus the number of cards with flashback you own in exile."

Flashback {6}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Return target permanent card with mana value 3 or less from your graveyard to the battlefield. If this spell was cast from a graveyard, you may copy this spell and may choose a new target for the copy.

Flashback {4}{W} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Prevent all damage that would be dealt to Sevinne, the Chronoclasm.

Whenever you cast your first instant or sorcery spell from your graveyard each turn, copy that spell. You may choose new targets for the copy.

Discard all the cards in your hand, then draw that many cards.

Flashback {5}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Return target creature to its owner's hand.

Flashback {4}{U} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Flash

When Snapcaster Mage enters the battlefield, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost. (You may cast that card from your graveyard for its flashback cost. Then exile it.)

Instant, sorcery, and Dragon spells you control can't be countered.

Whenever you cast an instant or sorcery spell from your hand, if Taigam, Ojutai Master attacked this turn, that spell gains rebound. (Exile the spell as it resolves. At the beginning of your next upkeep, you may cast that card from exile without paying its mana cost.)

Cascade (When you cast this 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.)

Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

Exchange control of two target creatures you don't control.

Flashback {8}{U}{U}. This spell costs {X} less to cast this way, where X is the greatest mana value of a commander you own on the battlefield or in the command zone. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Create a 1/1 white Human creature token for each creature you control.

Flashback {8}{W}{W}. This spell costs {X} less to cast this way, where X is the greatest mana value of a commander you own on the battlefield or in the command zone. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Each opponent sacrifices an artifact. For each artifact sacrificed this way, you create a Treasure token.

Flashback {8}{R}{R}. This spell costs {X} less to cast this way, where X is the greatest mana value of a commander you own on the battlefield or in the command zone. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Volcanic Spray deals 1 damage to each creature without flying and each player.

Flashback {1}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Untap all creatures that attacked this turn. After this main phase, there is an additional combat phase followed by an additional main phase.

Retrace (You may cast this card from your graveyard by discarding a land card in addition to paying its other costs.)

{1}{W}: Search your library for an enchantment card and reveal that card. Put it into your hand, then discard a card at random. Then shuffle.

{1}{U}: Search your library for an instant card and reveal that card. Put it into your hand, then discard a card at random. Then shuffle.