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."

This spell costs less to cast for each creature that attacked this turn.

Draw three cards.

, Exile the top card of your library: You gain 1 life.

Rubblehulk's power and toughness are each equal to the number of lands you control.

Bloodrush — , Discard Rubblehulk: Target attacking creature gets +X/+X until end of turn, where X is the number of lands you control.

All Hounds are Dogs. (We'll errata this to be true.)

First strike, lifelink

Underdog — If you've lost a game this match, CARDNAME and other Dogs you control get +1/+1.

Rugged Highlands enters tapped.

When Rugged Highlands enters, you gain 1 life.

: Add or .

At the beginning of combat on your turn, choose an opponent at random. Ruhan of the Fomori attacks that player this combat if able.

Devoid (This card has no color.)

Search your library for a basic land card and reveal it. You may put that card onto the battlefield tapped if you control a land named Wastes. Otherwise, put that card into your hand. Then shuffle.

When Rukh Egg dies, create a 4/4 red Bird creature token with flying at the beginning of the next end step.

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.

Alliance — Whenever another creature you control enters, scry 1. If this is the second time this ability has resolved this turn, draw a card instead.

Choose one or both —

• The owner of target nonland permanent puts it on the top or bottom of their library.

• Return target nonland permanent to its owner's hand.

Whenever you cast a creature spell with mana value 5 or greater, that creature enters 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.

Enchant permanent

When Rune of Flight enters, draw a card.

As long as enchanted permanent is a creature, it has flying.

As long as enchanted permanent is an Equipment, it has "Equipped creature has flying."

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

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

Runed Arch enters tapped.

, , Sacrifice Runed Arch: X target creatures with power 2 or less can't be blocked this turn.

When Runeforge Champion enters, 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.

Enchant creature

As long as enchanted creature is red, it gets +1/+1 and has double strike. (It deals both first-strike and regular combat damage.)

As long as enchanted creature is green, it gets +1/+1 and has trample.

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.

Creatures you control get +2/+1 until end of turn. Warrior creatures you control gain lifelink until end of turn. (Damage dealt by those Warriors also causes their controller to gain that much life.)

Spree (Choose one or more additional costs.)

+ — Target opponent sacrifices half the creatures they control, rounded up.

+ — Target opponent discards half the cards in their hand, rounded up.

+ — Target opponent loses half their life, rounded up.

Draw two cards. Then discard a card at random unless you pay (two energy counters).

Target creature gets +1/+0 and gains lifelink and indestructible until end of turn. (Damage dealt by that creature also causes its controller to gain that much life, and it can't be destroyed by damage or effects that say "destroy.")

Warriors your team controls have haste.

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.

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

Rushwood Grove enters tapped.

: Put a storage counter on Rushwood Grove.

, Remove any number of storage counters from Rushwood Grove: Add for each storage counter removed this way.

If an opponent controls an Island and you control a Forest, you may cast this spell without paying its mana cost.

Sacrifice an artifact: Regenerate Rusted Slasher.

Whenever Rustmouth Ogre deals combat damage to a player, you may destroy target artifact that player controls.

Offspring (You may pay an additional as you cast this spell. If you do, when this creature enters, create a 1/1 token copy of it.)

This creature can't be blocked by creatures with power 2 or less.

Flying

Whenever you sacrifice a creature, target opponent sacrifices a creature.

Choose one —

• Target nonattacking creature gains reach and deathtouch until end of turn. Untap it.

• Target attacking creature gets +2/+2 and gains trample until end of turn.

, Sacrifice a creature: Create two Treasure tokens. (They're artifacts with ", Sacrifice this artifact: Add one mana of any color.")

Sacrifice three Treasures: Draw a card.

Target opponent exiles a card from their hand. If this spell was cast from a graveyard, draw a card.

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

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, create that many tokens that are copies of it.)

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

Whenever you cycle or discard a card, you may pay . If you do, put a -1/-1 counter on target creature.

At the beginning of each player's upkeep, that player sacrifices a non-Elf creature.

, : Look at the top card of target player's library. If it has an Agents of S.N.E.A.K. watermark, you may reveal it and put it into your hand. Otherwise, put it on the top or bottom of its owner's library.

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

, : Sacellum Archers deals 2 damage to target attacking or blocking creature.

Sacred Knight can't be blocked by black and/or red creatures.

Equipped creature gets +3/+3 and can't be blocked by creatures with power 3 or less.

Equip

Starting with the next opponent in turn order, each player chooses a creature you don't control. Destroy the chosen creatures.

Menace

At the beginning of your end step, if you have the initiative, create a Treasure token. Create three of those tokens instead if you've completed a dungeon.

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

Whenever you cast a green spell, Safehold Duo gets +1/+1 until end of turn.

Whenever you cast a white spell, Safehold Duo gains vigilance until end of turn.

, : Safehold Sentry gets +0/+2 until end of turn. ( is the untap symbol.)