Converge — Creatures your opponents control get -X/-0 until end of turn, where X is the number of colors of mana spent to cast this spell.

Draw a card.

Rolling Temblor deals 2 damage to each creature without flying.

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever you cast a legendary spell, untap Rona, Herald of Invasion.

: Draw a card, then discard a card.

: Transform Rona. Activate only as a sorcery. ( can be paid with either or 2 life.)

Trample

Whenever a source deals damage to Rona, Tolarian Obliterator, that source's controller exiles a card from their hand at random. If it's a land card, you may put it onto the battlefield under your control. Otherwise, you may cast it without paying its mana cost.

Casualty 1 (As you cast this spell, you may sacrifice a creature with power 1 or greater. When you do, copy this spell and you may choose a new target for the copy.)

Tap target creature. It doesn't untap during its controller's next untap step.

Draw a card.

Kicker (You may pay an additional as you cast this spell.)

When Roost of Drakes enters the battlefield, if it was kicked, create a 2/2 blue Drake creature token with flying.

Whenever you cast a kicked spell, create a 2/2 blue Drake creature token with flying.

: Add one mana of any color.

: Add two mana of any one color. Spend this mana only to cast spells from your graveyard.

, , Exile Rootcoil Creeper: Return target card with flashback you own from exile to your hand.

You may cast Aura spells with enchant creature as though they had flash.

Partner with Amy Pond

First strike, lifelink

The Last Centurion — When you cast this spell from anywhere other than exile, exile it with three time counters on it. It gains suspend. Then investigate. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

: Add one mana of any color.

Exile up to one target card from a graveyard. Create a 2/2 black Zombie creature token with decayed. (It can't block. When it attacks, sacrifice it at end of combat.)

Flashback (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Add for each card in target opponent's hand. Until end of turn, you don't lose this mana as steps and phases end. Exile Rousing Refrain with three time counters on it.

Suspend 3— (Rather than cast this card from your hand, you may pay and exile it with three time counters on it. At the beginning of your upkeep, remove a time counter. When the last is removed, you may cast it without paying its mana cost.)

Instant and sorcery spells you cast cost less to cast.

+1: Rowan, Scholar of Sparks deals 1 damage to each opponent. If you've drawn three or more cards this turn, she deals 3 damage to each opponent instead.

−4: You get an emblem with "Whenever you cast an instant or sorcery spell, you may pay . If you do, copy that spell. You may choose new targets for the copy."

Bargain (You may sacrifice an artifact, enchantment, or token as you cast this spell.)

If this spell was bargained, look at the top four cards of your library, then put up to two of them back on top of your library in any order and the rest into your graveyard.

You draw two cards and you lose 2 life.

Aftermath (Cast this spell only from your graveyard. Then exile it.)

Up to three target lands don't untap during their controller's next untap step.

Red spells you cast cost less to cast.

Aftermath (Cast this spell only from your graveyard. Then exile it.)

Ruin deals damage to target creature equal to the number of lands you control.

Destroy target creature or planeswalker.

Awaken 4— (If you cast this spell for , also put four +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)

This spell costs less to cast for each land card in your graveyard.

Vigilance, reach, trample

When Rumbleweed enters the battlefield, other creatures you control get +3/+3 and gain trample until end of turn.

One or two target creatures each gain haste until end of turn. They can't be blocked this turn except by creatures with haste.

Escape—, Exile four other cards from your graveyard. (You may cast this card from your graveyard for its escape cost.)

Whenever you cast a red spell, if Runaway Steam-Kin has fewer than three +1/+1 counters on it, put a +1/+1 counter on Runaway Steam-Kin.

Remove three +1/+1 counters from Runaway Steam-Kin: Add .

When Runeforge Champion enters the battlefield, you may search your library and/or graveyard for a Rune card, reveal it, and put it into your hand. If you search your library this way, shuffle.

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

Vigilance, reach

Ruric Thar, the Unbowed attacks each combat if able.

Whenever a player casts a noncreature spell, Ruric Thar deals 6 damage to that player.

Kicker—Sacrifice a land. (You may sacrifice a land in addition to any other costs as you cast this spell.)

Return target nonland permanent to its owner's hand. If this spell was kicked, return another target nonland permanent to its owner's hand.

Reach, trample

//PRT-Prototype_Mech//

Prototype (You may cast this spell with different mana cost, color, and size. It keeps its abilities and types.)

3/5

Squad—Exile four cards from your graveyard. (As an additional cost to cast this spell, you may pay its squad cost any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.)

Menace (This creature can't be blocked except by two or more creatures.)

Whenever Ryan attacks, exile cards from the top of your library until you exile a nonland card. You may cast the exiled card without paying its mana cost if it's a spell with mana value less than or equal to Ryan's power. Put the exiled cards not cast this way on the bottom of your library in a random order.

Doctor's companion (You can have two commanders if the other is the Doctor.)

As an additional cost to cast this spell, sacrifice a creature.

Add an amount of equal to the sacrificed creature's mana value.

As an additional cost to cast this spell, reveal a Vampire card from your hand or pay .

Flying, lifelink

Sage of Ancient Lore's power and toughness are each equal to the number of cards in your hand.

When Sage of Ancient Lore enters the battlefield, draw a card.

At the beginning of each upkeep, if no spells were cast last turn, transform Sage of Ancient Lore.

Flying

Spells you cast from anywhere other than your hand cost less to cast.

Foretell (During your turn, you may pay and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)

: Add . Spend this mana only to cast a colorless spell or to activate an ability.

Flying

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Trample, hexproof

Morph (You may cast this card face down as a 2/2 creature for . Turn it face up any time for its morph cost.)

Whenever you cast a noncreature spell, create a 1/1 colorless Servo artifact creature token.

−2: Target artifact you control becomes a copy of another target artifact or creature you control until end of turn, except it's an artifact in addition to its other types.

Whenever you cast an artifact spell, create a 1/1 colorless Thopter artifact creature token with flying.

, Sacrifice two artifacts: Draw a card.

This spell costs less to cast for each card you own in exile and in your graveyard that's an instant card, a sorcery card, or a card that has an Adventure.

Ward (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays .)

Flash

Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may cast it without paying its mana cost. Put the exiled cards on the bottom in a random order.)

You may have Sakashima's Protege enter the battlefield as a copy of any permanent that entered the battlefield this turn.

You may cast creature spells as though they had flash.

Whenever one or more other creatures you control leave the battlefield, investigate. This ability triggers only once each turn. (Create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

: Add .

Whenever you cast a colorless spell with mana value 7 or greater, you may sacrifice Sanctum of Ugin. If you do, search your library for a colorless creature card, reveal it, put it into your hand, then shuffle.

Scry 1, then draw a card. (Then exile this card. You may cast the creature later from exile.)

When Sandsteppe Outcast enters the battlefield, choose one —

• Put a +1/+1 counter on Sandsteppe Outcast.

• Create a 1/1 white Spirit creature token with flying.

, Sacrifice Sandstorm Eidolon: Target creature can't block this turn.

Whenever you cast a multicolored spell, you may return Sandstorm Eidolon from your graveyard to your hand.

Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)

Flying, lifelink

Disguise (You may cast this card face down for as a 2/2 creature with ward . Turn it face up any time for its disguise cost.)

When Sanguine Savior is turned face up, another target creature you control gains lifelink until end of turn.

Flying

Whenever Sapphire Dragon attacks or blocks, scry 2.

Blue spells you cast cost less to cast.

Kicker (You may pay an additional as you cast this spell.)

Create two 1/1 green Saproling creature tokens. If this spell was kicked, create four of those tokens instead.

Whenever you cast a historic spell, investigate. This ability triggers only once each turn. (Artifacts, legendaries, and Sagas are historic. To investigate, create a Clue token. It's an artifact with ", Sacrifice this artifact: Draw a card.")

Doctor's companion (You can have two commanders if the other is the Doctor.)

Trample

Whenever a land enters the battlefield, create a tapped Powerstone token. (It's an artifact with ": Add . This mana can't be spent to cast a nonartifact spell.")