Spooky20

{5}{U}, {T}: Draw a card. This ability costs {1} less to activate for each other artifact you control.

Whenever Veil of Assimilation or another artifact enters the battlefield under your control, target creature you control gets +1/+1 and gains vigil...

Flying, vigilance

Reach, trample Cascade (When you cast this spell, exile cards from the top of your library until you exile a nonland card that costs less. You may ...

Target player draws two cards. Flashback—{1}{U}, Pay 3 life. (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Whenever another creature enters the battlefield under your control, you gain 1 life. {4}{W}, {T}: Exile another target creature you control, then ...

When Boggart Trawler enters the battlefield, exile target player's graveyard.

Razorgrass Ambush deals 3 damage to target attacking or blocking creature.

{1}{C}, {T}: Create a 0/1 colorless Eldrazi Spawn creature token with "Sacrifice this creature: Add {C}." Whenever another Eldrazi you control dies...

Whenever another creature you control enters, you gain 1 life. If it's a Spider, put a +1/+1 counter on it.

Devoid (This card has no color.) When you cast this spell, if {C} wasn't spent to cast it, target opponent may put a creature card from their hand ...

Whenever you cast a creature spell with power 5 or greater, discover X, where X is that spell's mana value. (Exile cards from the top of your libra...

Enchant modified creature (Equipment, Auras its controller controls, and counters are modifications.) Enchanted creature gets +3/+3 and has vigilan...

Put a +1/+1 counter on target creature you control, then double the number of +1/+1 counters on each creature that had a +1/+1 counter put on it th...

Devoid (This card has no color.) Menace Whenever you sacrifice a nontoken permanent, create a 0/1 colorless Eldrazi Spawn creature token with "Sacr...

When Mindless Conscription enters the battlefield and whenever you draw your third card each turn, amass Zombies 3. (Put three +1/+1 counters on an...

When you cast this spell, you gain 1 life for each colorless permanent you control. Hexproof from each color Annihilator 2 (Whenever this creature ...

Whenever Tribune of Rot attacks, mill two cards. For each creature card milled this way, create a 1/1 green Saproling creature token.

Library enters the battlefield tapped. {T}: Add {U} or {R}. {4}, {T}: Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this...

Kitchen enters the battlefield tapped. {T}: Add {G} or {U}. {4}, {T}: Investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this...

Deathtouch When Mire Triton enters the battlefield, mill two cards and you gain 2 life.

Zombies you control get +1/+0. At the beginning of your end step, if a creature died this turn, you may pay {1}{B}. If you do, create a 2/2 black Z...

{T}: Add {C}. {7}, {T}, Sacrifice Unstable Obelisk: Destroy target permanent.

You may have Chameleon enter as a copy of a creature you control, except his name is Chameleon, Master of Disguise. Mayhem {2}{U} (You may cast thi...