Soulbond (You may pair this creature with another unpaired creature when either enters. They remain paired for as long as you control both of them.) Whenever Donna Noble or a creature it's paired with is dealt damage, Donna Noble deals that much damage to target opponent. Doctor's companion (You can have two commanders if the other is the Doctor.)

Equipped creature gets +2/+0 and has reach. Whenever equipped creature is dealt damage, it deals damage equal to its power to target player or planeswalker. Equip {2}{R}

Whenever this creature is dealt damage, it deals that much damage to target opponent or planeswalker.

Enrage — Whenever this creature is dealt damage, put a +1/+1 counter on each other creature you control.

This creature enters with X +1/+1 counters on it. This creature can't be blocked by more than one creature. Whenever this creature is dealt damage, put that many +1/+1 counters on it. (It must survive the damage to get the counters.)

+1: Look at the top card of your library. If it's a creature card, you may reveal it and put it into your hand. −2: Target creature you control fights another target creature. −7: You get an emblem with "Creatures you control have double strike, trample, hexproof, and haste."

Whenever a creature is dealt damage, its controller may exile that many cards from the top of their library. They may play those cards until the end of their next turn.

Whenever one or more creatures you control fight or become blocked, draw a card. At the beginning of combat on your turn, you may pay {2}{R/G}. If you do, double target creature's power until end of turn. That creature must be blocked this combat if able. ({R/G} can be paid with either {R} or {G}.)

{3}, {T}: Tap target creature you control and target creature of an opponent's choice they control. Those creatures fight each other. (Each deals damage equal to its power to the other.)

({T}: Add {G} or {W}.) This land enters tapped unless you control two or more basic lands.

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

{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 {G}.)

{T}: Add {C}. {1}{W}, {T}: Prevent all combat damage that would be dealt by target attacking creature this turn.

({T}: Add {R}.)

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

({T}: Add {W}.)

{T}, Pay 1 life: Add {R} or {W}. {1}, {T}, Sacrifice this land: Draw a card.

This land enters tapped. As it enters, choose a color. {T}: Add one mana of the chosen color. {T}: Add two mana of the chosen color. Spend this mana only to activate abilities of land sources.

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 {G}.

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 {G} or {W}.

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

Vigilance Whenever an opponent casts a spell, if no mana was spent to cast it, counter that spell. Sacrifice Boromir: Creatures you control gain indestructible until end of turn. The Ring tempts you.

Choose one — • Boros Charm deals 4 damage to target player or planeswalker. • Permanents you control gain indestructible until end of turn. • Target creature gains double strike until end of turn.

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

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

Permanents you control gain hexproof and indestructible until end of turn.

Enchant permanent Enchanted permanent has indestructible. (Effects that say "destroy" don't destroy that permanent. A creature with indestructible can't be destroyed by damage.)

Flying, vigilance You have hexproof. Whenever this creature is dealt damage, you gain that much life.

Enchant creature All damage that would be dealt to you is dealt to enchanted creature instead.

You gain 1 life for each creature your opponents control. Prevent all damage that would be dealt to you this turn.

Other tapped creatures you control have deathtouch. Other untapped creatures you control have hexproof. {1}, {T}: Untap another target creature or land you control.

Enchant creature Enchanted creature has indestructible. Whenever a creature enters, you may attach this Aura to that creature.

Indestructible As this creature enters, choose a player. Whenever this creature is dealt damage, it deals that much damage to the chosen player. {T}: This creature deals 1 damage to itself.

Reveal the top X cards of your library. Put all land cards from among them onto the battlefield tapped and the rest on the bottom of your library in a random order. Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, untap those lands.

Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.

Creature spells you cast cost {1} less to cast. Whenever another creature you control enters, this creature deals 2 damage to it. If a Dinosaur is dealt damage this way, this creature gets +2/+0 until end of turn.

Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

Enrage — Whenever this creature is dealt damage, you may search your library for a basic land card, put it onto the battlefield tapped, then shuffle.

Untap all permanents you control during each other player's untap step.

Flying Whenever a creature you control without flying dies, return it to the battlefield under its owner's control with a flying counter on it.

When this creature enters, it fights up to one target creature you don't control. Enrage — Whenever this creature is dealt damage, it fights up to one target creature you don't control.

Whenever a creature you control enters, you may destroy target artifact or enchantment.

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

Equipped creature gets +1/+0 for each opponent you have. Whenever equipped creature is dealt damage, it deals that much damage to any target. Equip {4}

Whenever this creature is dealt damage, it deals that much damage to any target. {R/W}: This creature gains first strike until end of turn.

Choose one — • Search your library for a basic land card, reveal it, put it into your hand, then shuffle. • Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

Choose one or both — • Deafening Clarion deals 3 damage to each creature. • Creatures you control gain lifelink until end of turn.

Delete deals X damage to each nonartifact creature and each player.

Choose two — • Prevent all damage target instant or sorcery spell would deal this turn. • Target player sacrifices an enchantment of their choice. • Put a +1/+1 counter on target creature. • Target creature you control fights target creature you don't control.

Creatures you control have haste. Formidable — Whenever you attack, if creatures you control have total power 8 or greater, target attacking creature you control fights up to one target creature you don't control.

Enchant creature When this Aura enters, draw a card. Enchanted creature loses all abilities and is a green Elk creature with base power and toughness 3/3. (It loses all other card types and creature types.)

Target creature you control fights another target creature. (Each deals damage equal to its power to the other.)

Target creature you control gets +X/+X until end of turn. Then it fights up to one target creature you don't control. (Each deals damage equal to its power to the other.)

At the beginning of the end step, if no creatures are on the battlefield, sacrifice this enchantment. {R}: This enchantment deals 1 damage to each creature and each player.

Enchant creature Enchanted creature loses all abilities and is a Coward creature with base power and toughness 0/1. (It keeps all supertypes but loses all other types and creature types.)

Savage Twister deals X damage to each creature.

Enrage — Whenever this creature is dealt damage, each opponent sacrifices a permanent of their choice.

Destroy target land. Star of Extinction deals 20 damage to each creature and each planeswalker.

Choose target creature you control and target creature you don't control. If you cast this spell during your main phase, the creature you control gets +1/+1 until end of turn. Then those creatures fight each other. (Each deals damage equal to its power to the other.)

Enrage — Whenever this creature is dealt damage, exile target creature an opponent controls until this creature leaves the battlefield.

{1}{G}, {T}: Target creature you control fights another target creature.

Enchant creature Whenever enchanted creature is dealt damage, its controller creates that many 1/1 green Squirrel creature tokens.

Defender (This creature can't attack.) Whenever this creature is dealt damage, create that many 1/1 green Insect creature tokens with flying and deathtouch. (Any amount of damage a creature with deathtouch deals to a creature is enough to destroy it.)

Enrage — Whenever this creature is dealt damage, create a token that's a copy of this creature.

Whenever this creature is dealt damage, you may create that many 1/1 green Insect creature tokens.