The Relentless Dragon

Land

Red legendary creatures you control have "bands with other legendary creatures." (Any legendary creatures can attack in a band as long as at least one has "bands with other legendary creatures." Bands are blocked as a group. If at least two legendary creatures you control, one of which has "bands with other legendary creatures," are blocking or being blocked by the same creature, you divide that creature's combat damage, not its controller, among any of the creatures it's being blocked by or is blocking.)

Creature — Yeti

Mountainwalk (This creature can't be blocked as long as defending player controls a Mountain.) Protection from white

Sorcery

Return up to one target creature card from your graveyard to your hand. Create a 1/1 red Mercenary creature token with "{T}: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery."

Enchantment

Creatures without flying don't untap during their controllers' untap steps. At the beginning of each player's upkeep, that player may choose any number of tapped creatures without flying they control and pay {2} for each creature chosen this way. If the player does, untap those creatures.

Creature — Elemental

Flying When this creature enters, draw two cards. Evoke {2}{U} (You may cast this spell for its evoke cost. If you do, it's sacrificed when it enters.)

Legendary Creature — Elemental Avatar

Reach, trample Multani gets +1/+1 for each land you control and each land card in your graveyard. {1}{G}, Return two lands you control to their owner's hand: Return this card from your graveyard to your hand.

Artifact Creature — Construct

When this creature enters, you get {E}{E}{E} (three energy counters). Pay {E}: This creature gains your choice of flying, vigilance, or lifelink until end of turn. Pay {E}: This creature gets +2/-2 or -2/+2 until end of turn.

Sorcery

If X is 1, scry 1, then draw a card. If X is 2, you may choose a player. They return a creature they control to its owner's hand. If X is 3, create a 4/4 blue and red Elemental creature token. If X is 4 or more, do all of the above.

Creature — Kor Knight Ally

Cohort — {T}, Tap an untapped Ally you control: Put a +1/+1 counter on each creature you control.

Legendary Creature — Kor Ally

Haste Rally — Whenever Munda or another Ally you control enters, you may look at the top four cards of your library. If you do, reveal any number of Ally cards from among them, then put those cards on top of your library in any order and the rest on the bottom in any order.

Enchantment

Creatures with no abilities get +2/+2.

Instant

Destroy target creature.

Creature — Bird

Flying Whenever another creature dies, you may draw a card. If you do, discard a card.

Enchantment

{B}{B}, Pay half your life, rounded up: Destroy target nonblack creature. It can't be regenerated.

Instant

Delve (Each card you exile from your graveyard while casting this spell pays for {1}.) Destroy target creature.

Land — Forest

({T}: Add {G}.) As this land enters, you may reveal a Treefolk card from your hand. If you don't, this land enters tapped. {T}: Add {W} or {B}. This land deals 1 damage to you.

Creature — Human Wizard

Whenever you cast an instant or sorcery spell, create a 1/1 blue Bird Illusion creature token with flying.

Sorcery

Exile the top X cards of your library. You may cast an instant or sorcery spell with mana value X or less from among them without paying its mana cost. Then put the exiled instant and sorcery cards that weren't cast this way into your hand and the rest on the bottom of your library in a random order.

Creature — Human Wizard

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) {T}: Put a music counter on target creature. If it doesn't have "At the beginning of your upkeep, destroy this creature unless you pay {1} for each music counter on it," it gains that ability.

Creature — Shapeshifter

Changeling (This card is every creature type.) When this creature enters, create a tapped Mutavault token. (It's a land with "{T}: Add {C}" and "{1}: This token becomes a 2/2 creature with all creature types until end of turn. It's still a land.")

Instant

({G/P} can be paid with either {G} or 2 life.) Target creature gets +2/+2 until end of turn.

Token Land

{T}: Add {C}. {1}: This token becomes a 2/2 creature with all creature types until end of turn. It's still a land.

Sorcery

All creatures get -1/-1 until end of turn for each Swamp you control.

Sorcery

Choose odd or even. Destroy each creature with mana value of the chosen quality. Then gain control of all creatures until end of turn. Untap them. They gain haste until end of turn. (Zero is even.)

Sorcery

This spell has flash as long as you control a permanent with flash. As an additional cost to cast this spell, sacrifice a creature. Destroy target creature.

Enchantment — Aura

Enchant creature Prevent all damage that would be dealt by enchanted creature.

Sorcery

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

Creature — Fungus

Whenever this creature or another creature you control with power 5 or greater dies, you may gain 5 life.

Creature — Fungus

Devour 2 (As this creature enters, you may sacrifice any number of creatures. It enters with twice that many +1/+1 counters on it.) At the beginning of your upkeep, create a 1/1 green Saproling creature token for each +1/+1 counter on this creature.

Legendary Creature — Spirit

Myojin of Infinite Rage enters with a divinity counter on it if you cast it from your hand. Myojin of Infinite Rage has indestructible as long as it has a divinity counter on it. Remove a divinity counter from Myojin of Infinite Rage: Destroy all lands.

Artifact Creature — Myr

Affinity for artifacts (This spell costs {1} less to cast for each artifact you control.)

Artifact

{T}: Add {C}{C}. Spend this mana only to cast Myr spells or activate abilities of Myr. {3}, {T}: Return target Myr card from your graveyard to your hand.

Artifact Creature — Myr

When this creature dies, return another target artifact card from your graveyard to your hand.

Land

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.

Creature — Human Artificer

Whenever you cast an artifact spell, you may pay {1}. If you do, create a 1/1 colorless Myr artifact creature token.

Creature — Human Wizard

When this creature enters, create a 0/1 black Wizard creature token with "Whenever you cast a noncreature spell, this token deals 1 damage to each opponent."

Creature — Illusion Villain

Flying, vigilance Whenever this creature attacks, mill a card. (Put the top card of your library into your graveyard.)

Creature — Human Wizard

{3}{U}{U}: Draw two cards.

Artifact

{1}, {T}: Target land becomes the basic land type of your choice until end of turn.

World Enchantment

All creatures lose flying and islandwalk.

Creature — Human Nomad Mystic

Protection from black Threshold — As long as there are seven or more cards in your graveyard, this creature gets +3/+3 and has flying.

Instant

Counter target spell. Create an X/X green Ooze creature token, where X is that spell's mana value.

Instant

Choose target nonlegendary creature. The next time one or more creatures or planeswalkers enter this turn, they enter as copies of the chosen creature. Foretell {U} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

Enchantment

Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Whenever an opponent casts a noncreature spell, you may draw a card unless that player pays {4}.