Whenever an opponent activates an ability of a creature or land that isn't a mana ability, you may draw a card.

Rupture Spire enters the battlefield tapped.

When Rupture Spire enters the battlefield, sacrifice it unless you pay .

: Add one mana of any color.

Heroic — Whenever you cast a spell that targets Sage of Hours, put a +1/+1 counter on it.

Remove all +1/+1 counters from Sage of Hours: For each five counters removed this way, take an extra turn after this one.

: You may put a land card from your hand onto the battlefield.

Bushido 2 (Whenever this creature blocks or becomes blocked, it gets +2/+2 until end of turn.)

Creatures with flying can't attack you or planeswalkers you control.

At the beginning of your end step, create a 5/5 green Wurm creature token.

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.

Target creature gets +2/+2 until end of turn. Untap that creature.

Flying

: Search your library for a Dragon permanent card and put it into your graveyard. If you do, Scion of the Ur-Dragon becomes a copy of that card until end of turn. Then shuffle your library.

Exile target enchantment. Search its controller's graveyard, hand, and library for all cards with the same name as that enchantment and exile them. Then that player shuffles their library.

Exile target permanent.

Scoured Barrens enters the battlefield tapped.

When Scoured Barrens enters the battlefield, you gain 1 life.

: Add or .

When Scourge of Fleets enters the battlefield, return each creature your opponents control with toughness X or less to its owner's hand, where X is the number of Islands you control.

Flying

: Scourge of Kher Ridges deals 2 damage to each creature without flying.

: Scourge of Kher Ridges deals 6 damage to each other creature with flying.

At the beginning of your upkeep, you lose 2 life if you don't control an Ogre.

Enchant creature

As long as enchanted creature is red, it gets +1/+1 and has ": This creature gets +1/+0 until end of turn."

As long as enchanted creature is white, it gets +1/+1 and has lifelink. (Damage dealt by the creature also causes its controller to gain that much life.)

Flying

Whenever Scourge of Valkas or another Dragon enters the battlefield under your control, it deals X damage to any target, where X is the number of Dragons you control.

: Scourge of Valkas gets +1/+0 until end of turn.

First strike

Delirium — Scourge Wolf has double strike as long as there are four or more card types among cards in your graveyard.

, Sacrifice Scourglass: Destroy all permanents except for artifacts and lands. Activate this ability only during your upkeep.

Target creature gets +5/+0 and gains haste until end of turn.

Create X 1/1 white Warrior creature tokens.

: Create a 1/1 white Soldier creature token. Activate this ability only if you control no creatures and only once each turn.

Seismic Rupture deals 2 damage to each creature without flying.

Parley — : Each player reveals the top card of their library. For each nonland card revealed this way, add and you gain 1 life. Then each player draws a card.

At the beginning of your upkeep, you may put a verse counter on Serra's Liturgy.

, Sacrifice Serra's Liturgy: Destroy up to X target artifacts and/or enchantments, where X is the number of verse counters on Serra's Liturgy.

Haste

Channel — , Discard Shinen of Fury's Fire: Target creature gains haste until end of turn.

Trample

When Shivan Wurm enters the battlefield, return a red or green creature you control to its owner's hand.

Equipped creature has ", Unattach Shuriken: Shuriken deals 2 damage to target creature. That creature's controller gains control of Shuriken unless it was unattached from a Ninja."

Equip (: Attach to target creature you control. Equip only as a sorcery.)

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for or one mana of that creature's color.)

Trample

Silburlind Snapper can't attack unless you've cast a noncreature spell this turn.

Partner with Trynn, Champion of Freedom (When this creature enters the battlefield, target player may put Trynn into their hand from their library, then shuffle.)

Menace

Sacrifice a Human: Put a +1/+1 counter on Silvar, Devourer of the Free. It gains indestructible until end of turn.

Flash

Bushido 1 (Whenever this creature blocks or becomes blocked, it gets +1/+1 until end of turn.)

: Regenerate Skeletal Wurm.

Haste

Echo—Sacrifice two lands. (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

Devoid (This card has no color.)

Flying

Whenever you cast a colorless spell, Sky Scourer gets +1/+0 until end of turn.

Whenever you cast an instant or sorcery spell, target creature an opponent controls can't block this turn.

As an additional cost to cast this spell, discard a card at random.

Sonic Burst deals 4 damage to any target.

, , Discard a card: You gain 2 life for each card in your hand.

Flying

When Soul Scourge enters the battlefield, target player loses 3 life.

When Soul Scourge leaves the battlefield, that player gains 3 life.

First strike

Soulsurge Elemental's power is equal to the number of creatures you control.

Buyback (You may pay an additional as you cast this spell. If you do, put this card into your hand as it resolves.)

Counter target spell with converted mana cost X.

Creatures you control can't be the targets of blue spells or abilities from blue sources.

( can be paid with either or 2 life.)

: Choose a card you own from outside the game that has been banned or restricted in a Constructed format, reveal that card, and put it into your hand.

As long as you've drawn two or more cards this turn, Spinehorn Minotaur has double strike.

Reach (This creature can block creatures with 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.)

: Add .

, : Create a 0/1 white Goat creature token.

, Sacrifice X Goats: Add X mana of any one color. You gain X life.

: Return two target cards from an opponent's graveyard to their hand. Destroy target attacking creature.

Sacrifice a land: Add one mana of any type the sacrificed land could produce.

Vigilance

, : Steadfast Armasaur deals damage equal to its toughness to target creature blocking or blocked by it.

Echo (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay its echo cost.)

When Stingscourger enters the battlefield, return target creature an opponent controls to its owner's hand.