mtg.wtf

Trample, haste
Alliance — Whenever another creature you control enters, double Devilish Valet's power until end of turn.

Create four 1/1 red Devil creature tokens. They have "When this creature dies, it deals 1 damage to any target."

{T}: Add {G}.
Put a -1/-1 counter on Devoted Druid: Untap Devoted Druid.

You may reveal this card from your opening hand. If you do, at the beginning of your first upkeep, look at the top four cards of your library. You may put one of those cards back on top of your library. Exile the rest.
When you cast this spell, exile target permanent that's one or more colors.

Menace, trample
At the beginning of your upkeep, you may sacrifice an artifact, enchantment, or token. If you don't, tap Devouring Sugarmaw.

{1}{W}, {T}, Discard a card: Destroy target artifact or enchantment.

Target player sacrifices a creature.

As an additional cost to cast this spell, sacrifice a creature.
Search your library for a card, put that card into your hand, then shuffle.

When Diabolic Servitude enters, return target creature card from your graveyard to the battlefield.
When the creature put onto the battlefield with Diabolic Servitude dies, exile it and return Diabolic Servitude to its owner's hand.
When Diabolic Servitude leaves the battlefield, exile the creature put onto the battlefield with Diabolic Servitude.

Search your library for a card, put that card into your hand, then shuffle.

Split second
Create four 4/4 red Devil creature tokens with haste and "When this creature dies, create a colorless Treasure artifact token with '{T}, Sacrifice this artifact: Add one mana of any color.'" Sacrifice the Devil tokens at the beginning of the next end step.

{S}: Target creature you control gets +1/+1 until end of turn.

{T}, Discard your hand, Sacrifice Diamond Lion: Add three mana of any one color. Activate only as an instant.

As Diamond Mare enters, choose a color.
Whenever you cast a spell of the chosen color, you gain 1 life.

{T}: Destroy target creature of your choice, then destroy target creature of an opponent's choice. Activate only during your turn, before attackers are declared.

Flash
Whenever a creature you control dies, each opponent sacrifices a creature.

Flash
Creatures you control get +2/+2.

Flash
At the beginning of each player's draw step, that player draws an additional card.

Flash
If a source would deal damage to a permanent or player, it deals double that damage to that permanent or player instead.

Choose target creature. You get {E}{E}, then you may pay any amount of {E}. The creature gets -1/-1 until end of turn for each {E} paid this way.

Whenever a Sliver creature you control becomes the target of a spell or ability an opponent controls, counter that spell or ability unless its controller pays {2}.

Delve
Look at the top seven cards of your library. Put two of them into your hand and the rest on the bottom of your library in any order.

Cleave {1}{B}{B}{G}
Search your library for a [basic land] card, [reveal it,] put it into your hand, then shuffle.

Whenever you cast an artifact spell, you may pay {2}. If you do, create a 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control."