You may choose not to untap Rubinia Soulsinger during your untap step.

: Gain control of target creature for as long as you control Rubinia and Rubinia remains tapped.

Red spells you cast cost less to cast.

Landfall — Whenever a land enters the battlefield under your control, each opponent mills three cards. (To mill a card, a player puts the top card of their library into their graveyard.)

As Rukarumel, Biologist enters the battlefield, choose a creature type.

Slivers you control and nontoken creatures you control are the chosen type in addition to their other creature types. The same is true for creature spells you control and creature cards you own that aren't on the battlefield.

, : Create a 1/1 colorless Sliver creature token.

Whenever you cast a kicked spell, you may have Rumbling Aftershocks deal damage to any target equal to the number of times that spell was kicked.

At the beginning of your upkeep, you may put a verse counter on Rumbling Crescendo.

, Sacrifice Rumbling Crescendo: Destroy up to X target lands, where X is the number of verse counters on Rumbling Crescendo.

When Rumbling Ruin enters the battlefield, count the number of +1/+1 counters on creatures you control. Creatures your opponents control with power less than or equal to that number can't block this turn.

At the beginning of your upkeep, Rumbling Slum deals 1 damage to each player.

Whenever you cast a creature spell with mana value 5 or greater, that creature enters the battlefield with X additional +1/+1 counters on it, where X is its mana value minus 4.

Creatures you control with three or more +1/+1 counters on them have haste.

: Add .

Trample

Runaway Trash-Bot gets +1/+0 for each artifact and/or enchantment card in your graveyard.

: The next time a blue source of your choice would deal damage to you this turn, prevent that damage.

Cycling (, Discard this card: Draw a card.)

, : Runebound Wolf deals damage equal to the number of Wolves and Werewolves you control to target opponent.

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.

Target creature gets +X/+0 until end of turn, where X is its power.

Choose target creature. When that creature dies this turn, search your library for a creature card with lesser mana value, put it onto the battlefield tapped, then shuffle.

, , Discard a card: Regenerate target creature.

First strike

Wither (This deals damage to creatures in the form of -1/-1 counters.)

Ruthless Cullblade gets +2/+1 as long as an opponent has 10 or less life.

Whenever Rysorian Badger attacks and isn't blocked, you may exile up to two target creature cards from defending player's graveyard. If you do, you gain 1 life for each card exiled this way and Rysorian Badger assigns no combat damage this turn.

: Saberclaw Golem gains first strike until end of turn.

Whenever Sabertooth Cobra deals damage to a player, that player gets a poison counter. The player gets another poison counter at the beginning of their next upkeep unless they pay before that step. (A player with ten or more poison counters loses the game.)

Trample, protection from blue and from red

Flying, first strike

Prevent the next 3 damage that would be dealt to target creature this turn. At the beginning of the next end step, put a +0/+1 counter on that creature for each 1 damage prevented this way.

Enchant creature

Enchanted creature has ", : Put a -1/-1 counter on target creature."

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.)

, : Create a token that's a copy of another target creature or artifact you control, except it's an artifact in addition to its other types. It gains haste. Sacrifice it at the beginning of the next end step.

Flash

Backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.)

Hexproof

Channel — , Discard Saiba Trespassers: Tap up to two target creatures you don't control. Those creatures don't untap during their controller's next untap step.

Sacrifice Sakura-Tribe Elder: Search your library for a basic land card, put that card onto the battlefield tapped, then shuffle.

At the beginning of your upkeep, add . Until end of turn, you don't lose this mana as steps and phases end.

Destroy target nonwhite permanent.

, Sacrifice Samite Censer-Bearer: Prevent the next 1 damage that would be dealt to each creature you control this turn.

As Sanctuary Blade becomes attached to a creature, choose a color.

Equipped creature gets +2/+0 and has protection from the last chosen color.

Equip

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

Phasing (This phases in or out before you untap during each of your untap steps. While it's phased out, it's treated as though it doesn't exist.)

Cycling (, Discard this card: Draw a card.)

Sandstone Bridge enters the battlefield tapped.

When Sandstone Bridge enters the battlefield, target creature gets +1/+1 and gains vigilance until end of turn.

: Add .

Whenever you gain life, target opponent loses that much life.

When Saprazzan Bailiff enters the battlefield, exile all artifact and enchantment cards from all graveyards.

When Saprazzan Bailiff leaves the battlefield, return all artifact and enchantment cards from all graveyards to their owners' hands.

Fading 7 (This enchantment enters the battlefield with seven fade counters on it. At the beginning of your upkeep, remove a fade counter from it. If you can't, sacrifice it.)

Remove a fade counter from Saproling Burst: Create a green Saproling creature token. It has "This creature's power and toughness are each equal to the number of fade counters on Saproling Burst."

When Saproling Burst leaves the battlefield, destroy all tokens created with Saproling Burst. They can't be regenerated.

Whenever Saradoc, Master of Buckland or another nontoken creature with power 2 or less enters the battlefield under your control, create a 1/1 white Halfling creature token.

Tap two other untapped Halflings you control: Saradoc gets +2/+0 and gains lifelink until end of turn.

+1: Draw a card, then add one mana of any color.

−2: Create a 4/4 red Dragon creature token with flying.

−8: Search your library for any number of Dragon creature cards, put them onto the battlefield, then shuffle.

2 — Whenever this creature attacks, create a Treasure token.

5 — : Target creature gains flying until end of turn.

2 — 3/2

6 — 10/10

: Adapt 4. (If this creature has no +1/+1 counters on it, put four +1/+1 counters on it.)

: Savage Knuckleblade gets +2/+2 until end of turn. Activate only once each turn.

: Return Savage Knuckleblade to its owner's hand.

: Savage Knuckleblade gains haste until end of turn.

: Sawback Manticore gains flying until end of turn.

: Sawback Manticore deals 2 damage to target attacking or blocking creature. Activate only if Sawback Manticore is attacking or blocking and only once each turn.

When Sawblade Slinger enters the battlefield, choose up to one —

• Destroy target artifact an opponent controls.

• Sawblade Slinger fights target Zombie an opponent controls.