Counter target spell unless its controller pays .

Flash
When Snapcaster Mage enters the battlefield, target instant or sorcery card in your graveyard gains flashback until end of turn. The flashback cost is equal to its mana cost.

Look at the top three cards of your library, then put them back in any order. You may shuffle your library.
Draw a card.

CLICK TO TRANSFORM

At the beginning of your upkeep, look at the top card of your library. You may reveal that card. If an instant or sorcery card is revealed this way, transform Delver of Secrets.

Flying

Sulfur Falls enters the battlefield tapped unless you control an Island or a Mountain.
: Add or to your mana pool.

At the beginning of your upkeep or whenever you cast a red spell, put a charge counter on Shrine of Burning Rage.
, , Sacrifice Shrine of Burning Rage: Shrine of Burning Rage deals damage equal to the number of charge counters on it to target creature or player.

Incinerate deals 3 damage to target creature or player. A creature dealt damage this way can't be regenerated this turn.

( can be paid with either or 2 life.)
Gut Shot deals 1 damage to target creature or player.

Brimstone Volley deals 3 damage to target creature or player.
Morbid - Brimstone Volley deals 5 damage to that creature or player instead if a creature died this turn.

Arc Trail deals 2 damage to target creature or player and 1 damage to another target creature or player.

Strom kirk Noble can't be blocked by Humans.
Whenever Strom kirk Noble deals combat damage to a player, put a +1/+1 counter on it.

Flying
Haste
Whenever an opponent is dealt damage by a red instant or sorcery spell you control or by a red planeswalker you control, return Chandra's Phoenix from your graveyard to your hand.

, , Exile two cards from your graveyard: Grim Lavamancer deals 2 damage to target creature or player.

Choose one - Slagstorm deals 3 damage to each creature; or Slagstorm deals 3 damage to each player.

: Put a charge counter on Ratchet Bomb.
, Sacrifice Ratchet Bomb : Destroy each nonland permanent with converted mana cost equal to the number of charge counters on Ratchet Bomb.

( can be paid with either or 2 life.)
You may have Phyrexian Metamorph enter the battlefield as a copy of any artifact or creature on the battlefield, except it's an artifact in addition to its other types.

When Manic Vandal enters the battlefield, destroy target artifact.

Counter target spell. If that spell is countered this way, exile it instead of putting it into its owner's graveyard.

Combust can't be countered by spells or abilities.
Combust deals 5 damage to target white or blue creature. The damage can't be prevented.

Return target creature to its owner's hand. Its controller loses 1 life.