This spell can't be countered. You may have Altered Ego enter the battlefield as a copy of any creature on the battlefield, except it enters with X additional +1/+1 counters on it.

You may have Mirror Image enter the battlefield as a copy of a creature you control.

Hexproof Whenever a creature card is put into an opponent's graveyard from anywhere, you may have Lazav, Dimir Mastermind become a copy of that card, except its name is Lazav, Dimir Mastermind, it's legendary in addition to its other types, and it has hexproof and this ability.

Changeling Whenever you cast an instant or sorcery spell, if it targets one or more other permanents you control, create a token that's a copy of one of those permanents. When a spell or ability an opponent controls causes you to discard this card, create a token that's a copy of target permanent.

Dash {2}{B} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.)

When Ambassador Blorpityblorpboop enters the battlefield, you get {TK}{TK}{TK}, then you may put a sticker on a nonland permanent you own. At the beginning of each combat, you may have Ambassador Blorpityblorpboop's base power become equal to the total power of all stickers on permanents you control and its base toughness become equal to those stickers' total toughness.

Prevent all combat damage that would be dealt to Armored Transport by creatures blocking it.

{W}, {T}: Tap target artifact.

Changeling (This card is every creature type.) Flying

Flash Flying When Crookclaw Transmuter enters the battlefield, switch target creature's power and toughness until end of turn.

Changeling (This card is every creature type.) Trample

Giant Shark can't attack unless defending player controls an Island. Whenever Giant Shark blocks or becomes blocked by a creature that has been dealt damage this turn, Giant Shark gets +2/+0 and gains trample until end of turn. When you control no Islands, sacrifice Giant Shark.

Hammerhead Shark can't attack unless defending player controls an Island.

Whenever Lazav, Wearer of Faces attacks, exile target card from a graveyard, then investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") Whenever you sacrifice a Clue, you may have Lazav become a copy of a creature card exiled with it until end of turn.

Flying {T}: Draw a card, then discard a card. {X}: Likeness Looter becomes a copy of target creature card in your graveyard with mana value X, except it has flying and this ability. Activate only as a sorcery.

Menace Creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.) Whenever a creature an opponent controls dies, if its toughness was less than 1, draw a card.

{U}: Target creature becomes an artifact in addition to its other types until end of turn. {U}: Until end of turn, target artifact creature becomes blue and isn't an artifact.

When The Fifteenth Doctor enters the battlefield or attacks, mill three cards. You may put an artifact card with mana value 2 or 3 from among them into your hand. The first nonartifact spell you cast each turn has improvise. (Your artifacts can help cast that spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)

Paradox — Whenever you cast a spell from anywhere other than your hand, put a +1/+1 counter on target creature. Team TARDIS — At the beginning of your end step, untap each creature you control with a counter on it.

Level up {1} ({1}: Put a level counter on this. Level up only as a sorcery.) LEVEL 6-11 6/6 Lifelink LEVEL 12+ 9/9 Lifelink, indestructible

Transguild Courier is all colors.

{W}, Sacrifice Transluminant: Create a 1/1 white Spirit creature token with flying at the beginning of the next end step.

Partner with Shabraz, the Skyshark (When this creature enters the battlefield, target player may put Shabraz into their hand from their library, then shuffle.) Whenever you discard a card, put a +1/+1 counter on Brallin, Skyshark Rider and it deals 1 damage to each opponent. {R}: Target Shark gains trample until end of turn.

{1}{U}: Adapt 1. (If this creature has no +1/+1 counters on it, put a +1/+1 counter on it.) Whenever one or more +1/+1 counters are put on Benthic Biomancer, draw a card, then discard a card.

Enchant creature Enchanted creature gets +3/+3.

Enchant land Enchanted land has "{T}: Prevent the next 1 damage that would be dealt to any target this turn."

({T}: Add {G}.)

({T}: Add {U}.)

({T}: Add {R}.)

({T}: Add {W}.)

({T}: Add {B}.)

Transguild Promenade enters the battlefield tapped. When Transguild Promenade enters the battlefield, sacrifice it unless you pay {1}. {T}: Add one mana of any color.

Lifelink Beloved Princess can't be blocked by creatures with power 3 or greater.

Two target players exchange life totals. You create an X/X colorless Horror artifact creature token, where X is the difference between those players' life totals.

Whenever a creature attacks, you gain 1 life.

{T}, Sacrifice Ashnod's Transmogrant: Put a +1/+1 counter on target nonartifact creature. That creature becomes an artifact in addition to its other types.

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

Changeling (This card is every creature type.) Protection from black {2}{G}{G}: Chameleon Colossus gets +X/+X until end of turn, where X is its power.

Equipped creature gets +10/+10 and loses flying. Equip {8} ({8}: Attach to target creature you control. Equip only as a sorcery.)

First strike {T}: Add an amount of {R} equal to the greatest power among creatures you control that entered the battlefield this turn. Partner (You can have two commanders if both have partner.)

Activated abilities of creatures you control cost {2} less to activate. This effect can't reduce the mana in that cost to less than one mana. {T}: The next time target creature adapts this turn, it adapts as though it had no +1/+1 counters on it.

{U}, {T}, Return an artifact you control to its owner's hand: You may put an artifact card from your hand onto the battlefield.

First strike Whenever Alesha, Who Smiles at Death attacks, you may pay {W/B}{W/B}. If you do, return target creature card with power 2 or less from your graveyard to the battlefield tapped and attacking.

Exile up to one target artifact, up to one target creature, up to one target enchantment, up to one target planeswalker, and/or up to one target land. For each permanent exiled this way, its controller reveals cards from the top of their library until they reveal a card that shares a card type with it, puts that card onto the battlefield, then shuffles.

Undaunted (This spell costs {1} less to cast for each opponent.) Exile two target creatures. For each of those creatures, its controller reveals cards from the top of their library until they reveal a creature card, puts that card onto the battlefield, then shuffles the rest into their library.

As an additional cost to cast this spell, sacrifice an artifact or creature. Improvised Club deals 4 damage to any target.

Enchant creature Enchanted creature loses all abilities and has base power and toughness 1/1.

Enchant creature When Kenrith's Transformation enters the battlefield, 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.)

Menace When Massacre Girl enters the battlefield, each other creature gets -1/-1 until end of turn. Whenever a creature dies this turn, each creature other than Massacre Girl gets -1/-1 until end of turn.

Until end of turn, target nonland permanent loses all abilities and becomes your choice of a blue Frog creature with base power and toughness 1/1 or a blue Octopus creature with base power and toughness 4/4.

When Night Clubber enters the battlefield, creatures your opponents control get -1/-1 until end of turn. Blitz {2}{B} (If you cast this spell for its blitz cost, it gains haste and "When this creature dies, draw a card." Sacrifice it at the beginning of the next end step.)

Creatures you control are artifacts in addition to their other types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield. Whenever you cast an artifact spell, you lose 1 life and create a 2/2 black Necron Warrior artifact creature token.

When Minsc, Beloved Ranger enters the battlefield, create Boo, a legendary 1/1 red Hamster creature token with trample and haste. {X}: Until end of turn, target creature you control has base power and toughness X/X and becomes a Giant in addition to its other types. Activate only as a sorcery.