Spooky20

Reveal the top five cards of your library. An opponent separates those cards into two piles. Put one pile into your hand and the other into your gr...

Roll a six-sided die. Assemble a number of Contraptions equal to the result. (To assemble a Contraption, put the top card of your Contraption deck ...

Exile target creature. At the beginning of the next end step, return that card to the battlefield under its owner's control with a +1/+1 counter on...

{6}, {T}: Steamflogger Temp assembles a Contraption. (Put the top card of your Contraption deck face up onto one of your sprockets.)

{T}, Discard an Elf card: Target creature gets -X/-X until end of turn, where X is the number of Elves you control.

Elvish House Party's power and toughness are each equal to the current hour, using the twelve-hour system.

Flying At the beginning of your upkeep, draw a card unless target opponent sacrifices a creature or pays 3 life.

Destroy target creature if it has mana value 2 or less. Revolt — Destroy that creature if it has mana value 4 or less instead if a permanent you co...

Gotcha — If an opponent says "creature" or "guy," you may say "Gotcha!" When you do, return Creature Guy from your graveyard to your hand.

Flash (You may cast this spell any time you could cast an instant.) Flying When Hollowhenge Spirit enters the battlefield, remove target attacking ...

Haste You can attack with Party Crasher once each combat during each opponent's turn.

Target player discards two cards at random.

Draw four cards, then choose X cards in your hand and discard the rest.

Hail of Arrows deals X damage divided as you choose among any number of target attacking creatures.

Flying When Havoc Demon dies, all creatures get -5/-5 until end of turn.

Flying {2}{U}: Tap target creature with flying.

Whenever another creature enters the battlefield, you may stand up and say in a deep, booming voice, "Presenting . . . " and that creature's name. ...

Whenever you're dealt damage, Augment {2}{W} ({2}{W}, Reveal this card from your hand: Combine it with target host. Augment only as a sorcery.)

Hidden agenda (Start the game with this conspiracy face down in the command zone and secretly choose a card name. You may turn this conspiracy face...

Hexproof (This creature can't be the target of spells or abilities your opponents control.)

{T}, Sacrifice Mishra's Bauble: Look at the top card of target player's library. Draw a card at the beginning of the next turn's upkeep.

{T}: Add {C}. {1}, {T}: Add one mana of any color.

Flying Whenever one or more +1/+1 counters are put on another creature you control, you may put a +1/+1 counter on Enduring Scalelord.

When Dinrova Horror enters the battlefield, return target permanent to its owner's hand, then that player discards a card.