Time Spiral

Whenever an opponent casts a spell, Kaervek the Merciless deals damage equal to that spell's mana value to any target.

All Slivers are colorless.

All Sliver creatures have haste. All Slivers have "{1}, Sacrifice this permanent: Target Sliver creature gets +2/+2 until end of turn."

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Untap target per...

Suspend 4—{1}{R} (Rather than cast this card from your hand, pay {1}{R} and exile it with four time counters on it. At the beginning of your upkeep...

Destroy target land. Storm (When you cast this spell, copy it for each spell cast before it this turn. You may choose new targets for the copies.)

Flash (You may cast this spell any time you could cast an instant.) When Viashino Bladescout enters the battlefield, target creature gains first st...

Enchant creature Enchanted creature gets +2/+2 and can't block. When Undying Rage is put into a graveyard from the battlefield, return Undying Ra...

All Sliver creatures have menace. (They can't be blocked except by two or more creatures.)

You may pay {0} rather than pay the echo cost for permanents you control. {R}: Thick-Skinned Goblin gains protection from red until end of turn.

Echo {4}{R}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you p...

Sulfurous Blast deals 2 damage to each creature and each player. If you cast this spell during your main phase, Sulfurous Blast deals 3 damage to e...

Split second (As long as this spell is on the stack, players can't cast spells or activate abilities that aren't mana abilities.) Sudden Shock dea...

Echo {3}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay ...

All Sliver creatures have "This creature gets +1/+1 as long as you control a Swamp." All Slivers have "{B}: Regenerate this permanent." (The next ...

Rift Bolt deals 3 damage to any target. Suspend 1—{R} (Rather than cast this card from your hand, you may pay {R} and exile it with a time counter ...

Buyback {3} (You may pay an additional {3} as you cast this spell. If you do, put this card into your hand as it resolves.) Copy target instant or ...

Destroy target artifact or land. Suspend 4—{1}{R} (Rather than cast this card from your hand, you may pay {1}{R} and exile it with four time counte...

Flying {R}: Pardic Dragon gets +1/+0 until end of turn. Suspend 2—{R}{R} Whenever an opponent casts a spell, if Pardic Dragon is suspended, that pl...

Orcish Cannonade deals 2 damage to any target and 3 damage to you. Draw a card.

When a player casts a spell or a creature attacks, exile Norin the Wary. Return it to the battlefield under its owner's control at the beginning of...

Echo {1}{R} (At the beginning of your upkeep, if this came under your control since the beginning of your last upkeep, sacrifice it unless you pay ...

{3}, {T}: Choose a card name, then reveal a card at random from your hand. If that card has the chosen name, Magus of the Scroll deals 2 damage to ...

As an additional cost to cast this spell, discard a card or pay {5}. Lightning Axe deals 5 damage to target creature.