This spell costs less to cast for each card type among permanents you've sacrificed this turn.

Flying, trample, haste

Whenever Korvold deals combat damage to a player, put X +1/+1 counters on Korvold and draw X cards, where X is the number of permanent types among cards in your graveyard.

At the beginning of each upkeep, if a player cast two or more spells last turn, transform Krallenhorde Wantons.

Enchant creature

Enchanted creature can't attack or block, and its activated abilities can't be activated.

, Return Krasis Incubation to its owner's hand: Put two +1/+1 counters on enchanted creature.

Flying

Whenever you cast your second spell each turn, put a +1/+1 counter on Kraum, Violent Cacophony and draw a card.

Trample

Whenever a creature you control with power 4 or greater enters, put a +1/+1 counter on Kronch Wrangler.

At the beginning of your upkeep, put a shield counter on target creature an opponent controls.

Whenever you put one or more counters on a creature you don't control, tap that creature and goad it. It gains trample until your next turn. (Until your next turn, that creature attacks each combat if able and attacks a player other than you if able.)

Swampwalk (This creature can't be blocked as long as defending player controls a Swamp.)

: Target black creature gets -2/-0 until end of turn.

( can be paid with either or 2 life.)

Lifelink

For each in a cost, you may pay 2 life rather than pay that mana.

Whenever you cast a black spell, put a +1/+1 counter on K'rrik, Son of Yawgmoth.

Indestructible

As long as your devotion to green and blue is less than seven, Kruphix isn't a creature.

You have no maximum hand size.

If you would lose unspent mana, that mana becomes colorless instead.

At the beginning of the end step, if three or more creatures died this turn, flip Kuon, Ogre Ascendant.

Whenever you cast a creature spell with mana value 6 or greater, put three +1/+1 counters on Kurgadon.

Menace, ward , haste

Whenever Kylox, Visionary Inventor attacks, sacrifice any number of other creatures, then exile the top X cards of your library, where X is their total power. You may cast any number of instant and/or sorcery spells from among the exiled cards without paying their mana costs.

At end of combat, if Kytheon, Hero of Akros and at least two other creatures attacked this combat, exile Kytheon, then return him to the battlefield transformed under his owner's control.

: Kytheon gains indestructible until end of turn.

Creatures you control get +2/+1 until end of turn.

Spell mastery — If there are two or more instant and/or sorcery cards in your graveyard, those creatures also gain vigilance until end of turn. (Attacking doesn't cause them to tap.)

Target creature gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy that creature.)

Draw a card.

If you would put one or more counters on a creature or planeswalker you control or on yourself, put that many plus one of each of those kinds of counters on that permanent or player instead.

Choose a Background (You can have a Background as a second commander.)

When Lagonna-Band Storyteller enters, you may put target enchantment card from your graveyard on top of your library. If you do, you gain life equal to its mana value.

The owner of target attacking creature you don't control puts it on their choice of the top or bottom of their library.

Flying

Whenever two or more creatures you control attack a player, target attacking creature without flying gains flying until end of turn.

When Laquatus's Champion enters, target player loses 6 life.

When Laquatus's Champion leaves the battlefield, that player gains 6 life.

: Regenerate Laquatus's Champion.

Flying

Whenever another nontoken Dragon you control enters, create a 5/5 red Dragon creature token with flying.

: Dragons you control get +1/+0 until end of turn.

, , Discard two cards: Latulla, Keldon Overseer deals X damage to any target.

Vigilance

Whenever you cast your second spell each turn, investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

: Add . Activate only during an opponent's turn.

Other Elves you control get +1/+1.

Whenever you cast an Elf spell, you may pay . If you do, draw a card.

Leech Bonder enters with two -1/-1 counters on it.

, : Move a counter from target creature onto a second target creature. ( is the untap symbol.)

: Exile target permanent.

If Legacy Weapon would be put into a graveyard from anywhere, reveal Legacy Weapon and shuffle it into its owner's library instead.

When Legion Conquistador enters, you may search your library for any number of cards named Legion Conquistador, reveal them, put them into your hand, then shuffle.

, : Legion Guildmage deals 3 damage to each opponent.

, : Tap another target creature.

Other Vampires you control get +1/+1.

Creatures you control have myriad. (Whenever a creature with myriad attacks, for each opponent other than defending player, you may create a token copy that's tapped and attacking that player or a planeswalker they control. Exile the tokens at end of combat.)

, Sacrifice another creature: Legion Vanguard explores. (Reveal the top card of your library. Put that card into your hand if it's a land. Otherwise, put a +1/+1 counter on this creature, then put the card back or put it into your graveyard.)

Exile target creature an opponent controls with mana value 2 or less and all other creatures that player controls with the same name as that creature. Then that player reveals their hand and exiles all cards with that name from their hand and graveyard.

Destroy target creature with power 4 or greater.

Snow swampwalk (This creature can't be blocked as long as defending player controls a snow Swamp.)

When Lena, Selfless Champion enters, create a 1/1 white Soldier creature token for each nontoken creature you control.

Sacrifice Lena: Creatures you control with power less than Lena's power gain indestructible until end of turn.

Artifacts you control have hexproof. (They can't be the targets of spells or abilities your opponents control.)

When Leonin Armorguard enters, creatures you control get +1/+1 until end of turn.

Flash (You may cast this spell any time you could cast an instant.)

, Sacrifice Leonin Bladetrap: It deals 2 damage to each attacking creature without flying.

As long as Leonin Den-Guard is equipped, it gets +1/+1 and has vigilance.

Heroic — Whenever you cast a spell that targets Leonin Iconoclast, destroy target enchantment creature an opponent controls.

Magecraft — Whenever you cast or copy an instant or sorcery spell, creatures you control get +1/+1 until end of turn.

When Leonin Relic-Warder enters, you may exile target artifact or enchantment.

When Leonin Relic-Warder leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Equipped creature gets +1/+1.

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Flying

When Leonin Squire enters, return target artifact card with mana value 1 or less from your graveyard to your hand.

At the beginning of combat on your turn, if you control three or more creatures, this creature gets +1/+1 until end of turn and you gain 1 life.

Whenever Lesser Gargadon attacks or blocks, sacrifice a land.

Enchant legendary creature

Enchanted creature has ward and ": Add five mana in any combination of colors. Spend this mana only to cast spells."

If Leyline of Anticipation is in your opening hand, you may begin the game with it on the battlefield.

You may cast spells as though they had flash.

If Leyline of Mutation is in your opening hand, you may begin the game with it on the battlefield.

You may pay rather than pay the mana cost for spells you cast.