Knight of the Reliquary gets +1/+1 for each land card in your graveyard.
, Sacrifice a Forest or Plains: Search your library for a land card, put it onto the battlefield, then shuffle.

Level up (: Put a level counter on this. Level up only as a sorcery.)
LEVEL 1-4
2/2
LEVEL 5+
5/5
First strike

Vigilance
: Lionheart Maverick gets +1/+2 until end of turn.

Level up (: Put a level counter on this. Level up only as a sorcery.)
LEVEL 1-3
2/3
Flying
LEVEL 4+
4/4
Flying, vigilance

First strike
Lifelink (Damage dealt by this creature also causes you to gain that much life.)

First strike
When Knight of the White Orchid enters, if an opponent controls more lands than you, you may search your library for a Plains card, put it onto the battlefield, then shuffle.

Flying

First strike, protection from red

First strike (This creature deals combat damage before creatures without first strike.)
Protection from black (This creature can't be blocked, targeted, dealt damage, or enchanted by anything black.)

Whenever Knotvine Paladin attacks, it gets +1/+1 until end of turn for each untapped creature you control.

Vigilance
: Add .

Kicker (You may pay an additional as you cast this spell.)
If Benalish Lancer was kicked, it enters with two +1/+1 counters on it and with first strike.

Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)
: Target Knight creature gets +1/+1 until end of turn.

First strike (This creature deals combat damage before creatures without first strike.)
Other Knight creatures you control get +1/+1 and have indestructible. (Damage and effects that say "destroy" don't destroy them.)

Vigilance

Level up (: Put a level counter on this. Level up only as a sorcery.)
LEVEL 2-4
3/6
Other creatures you control get +1/+1.
LEVEL 5+
4/8
Other creatures you control get +2/+2.

Knight creatures you control have double strike.

Whenever Alaborn Cavalier attacks, you may tap target creature.

Flying, first strike (This creature can't be blocked except by creatures with flying or reach, and it deals combat damage before creatures without first strike.)

Flying, first strike

Whenever another creature you control enters, put a +1/+1 counter on that creature and a +1/+1 counter on Juniper Order Ranger.

Whenever Paladin of Prahv deals damage, you gain that much life.
Forecast — , Reveal Paladin of Prahv from your hand: Whenever target creature deals damage this turn, you gain that much life. (Activate only during your upkeep and only once each turn.)

The next 2 damage that a source of your choice would deal to you and/or permanents you control this turn is dealt to any target instead.

Exile target creature that dealt damage to you this turn.

If you control four or fewer lands, search your library for a basic land card, put it onto the battlefield tapped, then shuffle.
Cycling—Sacrifice a land. (Sacrifice a land, Discard this card: Draw a card.)

Target creature gets +2/+2 and gains flying until end of turn.

Destroy target creature with power 4 or greater. It can't be regenerated.

Prevent the next 3 damage that would be dealt to target creature this turn. For each 1 damage prevented this way, put a +1/+1 counter on that creature.

Target player gains 7 life.

Until end of turn, target creature you control gets +3/+3 and other creatures you control get +1/+1.

Equipped creature gets +3/+0 and has trample and lifelink.
Equip

Creatures you control get +0/+1 and have reach. (They can block creatures with flying.)

Enchant creature
Enchanted creature gets +2/+2 and has flying.
When enchanted creature dies, create a 2/2 white Griffin creature token with flying.

When Oblivion Ring enters, exile another target nonland permanent.
When Oblivion Ring leaves the battlefield, return the exiled card to the battlefield under its owner's control.

Grasslands enters tapped.
, Sacrifice Grasslands: Search your library for a Forest or Plains card, put it onto the battlefield, then shuffle.

Sejiri Steppe enters tapped.
When Sejiri Steppe enters, target creature you control gains protection from the color of your choice until end of turn.
: Add .

Selesnya Sanctuary enters tapped.
When Selesnya Sanctuary enters, return a land you control to its owner's hand.
: Add .

Treetop Village enters tapped.
: Add .
: Treetop Village becomes a 3/3 green Ape creature with trample until end of turn. It's still a land. (It can deal excess combat damage to the player or planeswalker it's attacking.)

(: Add .)

(: Add .)

Flash
Flying
When Bogardan Hellkite enters, it deals 5 damage divided as you choose among any number of targets.

Defender
When Cinder Wall blocks, destroy it at end of combat.

Sacrifice a Goblin: Add .

Red creatures you control have first strike.

Changeling (This card is every creature type.)
: Fire-Belly Changeling gets +1/+0 until end of turn. Activate no more than twice each turn.

When Mudbutton Torchrunner dies, it deals 3 damage to any target.

Dragon spells you cast cost less to cast.

Flying
: Dragon Whelp gets +1/+0 until end of turn. If this ability has been activated four or more times this turn, sacrifice Dragon Whelp at the beginning of the next end step.

: Henge Guardian gains trample until end of turn.

Flying
Devour 1 (As this enters, you may sacrifice any number of creatures. This creature enters with that many +1/+1 counters on it.)
When Voracious Dragon enters, it deals damage to any target equal to twice the number of Goblins it devoured.

Flash (You may cast this spell any time you could cast an instant.)
When Bogardan Rager enters, target creature gets +4/+0 until end of turn.

Flying
: Mordant Dragon gets +1/+0 until end of turn.
Whenever Mordant Dragon deals combat damage to a player, you may have it deal that much damage to target creature that player controls.

Amplify 3 (As this creature enters, put three +1/+1 counters on it for each Dragon card you reveal in your hand.)
Flying
: Kilnmouth Dragon deals damage equal to the number of +1/+1 counters on it to any target.

Flying (This creature can't be blocked except by creatures with flying or reach.)
: Shivan Hellkite deals 1 damage to any target.

Flying
When Thunder Dragon enters, it deals 3 damage to each creature without flying.

, , Sacrifice Armillary Sphere: Search your library for up to two basic land cards, reveal them, put them into your hand, then shuffle.

Whenever a player casts a red spell, you may gain 1 life.

Kicker (You may pay an additional as you cast this spell.)
Breath of Darigaaz deals 1 damage to each creature without flying and each player. If this spell was kicked, it deals 4 damage to each creature without flying and each player instead.

Create two 1/1 red Goblin creature tokens.

Punishing Fire deals 2 damage to any target.
Whenever an opponent gains life, you may pay . If you do, return Punishing Fire from your graveyard to your hand.

Spitting Earth deals damage to target creature equal to the number of Mountains you control.

: Target creature gets +1/+0 until end of turn.

Ghostfire is colorless.
Ghostfire deals 3 damage to any target.

Add .

Seismic Strike deals damage to target creature equal to the number of Mountains you control.

Enchant creature
Enchanted creature gets +1/+0 for each Mountain you control and has first strike.

Untap target creature with power less than the number of cards in your graveyard and gain control of it until end of turn. That creature gains haste until end of turn.

Enchant creature
Enchanted creature gets +2/+2 and has flying.
: Enchanted creature gets +1/+0 until end of turn.

Cone of Flame deals 1 damage to any target, 2 damage to another target, and 3 damage to a third target.

Fiery Fall deals 5 damage to target creature.
Basic landcycling (, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.)

Jaws of Stone deals X damage divided as you choose among any number of targets, where X is the number of Mountains you control as you cast this spell.

(: Add .)