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

Defender Whenever you cast an instant or sorcery spell, this creature deals 1 damage to each opponent.

Whenever you cast an instant or sorcery spell, this creature deals 2 damage to each opponent.

Whenever this creature is dealt damage, it deals that much damage to any target.

This spell costs {1} less to cast for each creature on the battlefield. Blasphemous Act deals 13 damage to each creature.

Chain Reaction deals X damage to each creature, where X is the number of creatures on the battlefield.

Earthquake deals X damage to each creature without flying and each player.

Electrodominance deals X damage to any target. You may cast a spell with mana value X or less from your hand without paying its mana cost.

Intimidation Bolt deals 3 damage to target creature. Other creatures can't attack this turn.

Mizzium Mortars deals 4 damage to target creature you don't control. Overload {3}{R}{R}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Price of Progress deals damage to each player equal to twice the number of nonbasic lands that player controls.

Pyroclasm deals 2 damage to each creature.

Radiance — Brightflame deals X damage to target creature and each other creature that shares a color with it. You gain life equal to the damage dealt this way.

Lightning Helix deals 3 damage to any target and you gain 3 life.

Whenever you gain life, you may pay {2}. If you do, draw a card. {3}{W}: Create a 1/1 white Soldier creature token with lifelink.

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

You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. You can't play lands or cast spells from your hand. {3}{R}: Destroy this enchantment.

Whenever an opponent draws a card, you may pay {1}. If you do, draw a card.

Each player discards their hand, then draws seven cards. Miracle {1}{R} (You may cast this card for its miracle cost when you draw it if it's the first card you drew this turn.)

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

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

{T}: Add {C}. {1}, {T}: Until end of turn, your opponents and creatures your opponents control with hexproof can be the targets of spells and abilities you control as though they didn't have hexproof.

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

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

({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 {W}.)

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

{T}: Add {C}. {2}, {T}, Sacrifice a Desert: Exile all graveyards.

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

This land enters tapped. When this land enters, scry 1. (Look at the top card of your library. You may put that card on the bottom.) {T}: Add {R} or {W}.

Whenever you cast a spell, you gain 1 life for each spell you've cast this turn. Pay 50 life: This artifact deals 50 damage to any target.

Destroy target artifact or enchantment. You gain 4 life.

Flying Whenever an opponent casts a spell, put a +1/+1 counter on this creature and you gain 1 life.

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.

Choose one or both — • Exile target artifact. • Exile target enchantment.

Indestructible Equipped creature has indestructible. Equip {2}

Destroy target artifact. You gain life equal to its mana value.

Destroy all creatures. You gain 1 life for each creature destroyed this way.

During your turn, your opponents can't cast spells or activate abilities of artifacts, creatures, or enchantments.

Prevent all damage that would be dealt to creatures you control by sources you control.

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

Prevent all noncombat damage that would be dealt to creatures you control.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Exile target creature. Its controller gains life equal to its power.

{1}, {T}: Add {R}{W}.

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

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

Indestructible (Effects that say "destroy" don't destroy this artifact.) {T}: Add one mana of any color.

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

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

At the beginning of your upkeep, if an opponent controls more lands than you, you may search your library for up to three basic land cards, reveal them, put them into your hand, then shuffle.

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

Whenever an opponent draws a card, that player may pay {2}. If the player doesn't, you create a Treasure token. (It's an artifact with "{T}, Sacrifice this token: Add one mana of any color.")

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

Whenever an instant or sorcery spell you control deals damage, create two 1/1 red and white Soldier creature tokens with haste.

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

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.)

{T}: Add {R}. When that mana is spent to cast a red instant or sorcery spell, copy that spell and you may choose new targets for the copy.