Moon-Circuit Hacker

Ninjutsu {U} ({U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever Moon-Circuit Hacker deals combat damage to a player, you may draw a card. If you do, discard a card unless Moon-Circuit Hacker entered this turn.

Counterspell

Glitterflitter

Flying
When Glitterflitter enters, you get {TK}, then you may put a sticker on a nonland permanent you own.

Spooky Clown Mox

{TK}{TK} — Vigilance
{TK}{TK}{TK}{TK} — {1}, {T}: Tap target creature.
{TK}{TK} — 1/5
{TK}{TK}{TK} — 5/4

Blorbian Buddy

Trample
{G}, {T}: You get {TK} (a ticket counter).

Vampire Champion Fury

{TK}{TK} — Hellbent — This creature gets +3/+3 as long as you have no cards in hand.
{TK}{TK}{TK}{TK} — {2}, Sacrifice this creature: It deals X damage divided as you choose among any number of target creatures, where X is its power.
{TK}{TK} — 1/5
{TK}{TK}{TK} — 6/3

Carnival Elephant Meteor

{TK}{TK} — Sacrifice this permanent: Draw two cards.
{TK}{TK}{TK} — Whenever this creature attacks, proliferate. (Choose any number of permanents and/or players, then give each another counter of each kind already there.)
{TK}{TK} — 4/1
{TK}{TK}{TK}{TK}{TK} — 8/7

Werewolf Lightning Mage

{TK}{TK} — Landfall — Whenever a land enters under your control, put a +1/+1 counter on this permanent.
{TK}{TK}{TK}{TK} — Whenever a creature blocks this creature, that creature gets -4/-4 until end of turn.
{TK}{TK} — 4/1
{TK}{TK}{TK} — 3/5

Mutagenic Growth

({G/P} can be paid with either {G} or 2 life.)
Target creature gets +2/+2 until end of turn.

Eldrazi Guacamole Tightrope

{TK}{TK} — Haste
{TK}{TK}{TK}{TK}{TK} — You may cast this card from your graveyard by paying 2 life in addition to paying its other costs.
{TK}{TK} — 1/4
{TK}{TK}{TK} — 5/3

Finishing Move

You get {TK}{TK}, then you may put a sticker on a nonland permanent you own. Target creature you control deals damage equal to its power to target creature you don't control.

Yawgmoth Merfolk Soul

{TK}{TK} — When this permanent leaves the battlefield, target player discards a card.
{TK}{TK}{TK}{TK}{TK} — When this permanent leaves the battlefield, create five 1/1 white Clown Robot artifact creature tokens.
{TK}{TK} — 3/3
{TK}{TK}{TK}{TK} — 6/5

Unique Charmed Pants

{TK}{TK} — {T}: Add one mana of any color.
{TK}{TK}{TK} — Whenever this creature attacks, if it's not a Brushwagg, it gets +X/+0 until end of turn, where X is the number of supertypes, card types, and subtypes it has.
{TK}{TK} — 5/1
{TK}{TK}{TK}{TK} — 4/8

Spellstutter Sprite

Flash
Flying
When Spellstutter Sprite enters, counter target spell with mana value X or less, where X is the number of Faeries you control.

Island

Snazzy Aether Homunculus

{TK}{TK} — {1}: Target creature gains all creature types until end of turn.
{TK}{TK}{TK} — Magecraft — Whenever you cast or copy an instant or sorcery spell, draw a card.
{TK}{TK} — 2/4
{TK}{TK}{TK}{TK}{TK} — 8/7

Forest

Spell Pierce

Counter target noncreature spell unless its controller pays {2}.

Snap

Return target creature to its owner's hand. Untap up to two lands.

Pixie Illusionist

Kicker {3}{G} (You may pay an additional {3}{G} as you cast this spell.)
Flying
If Pixie Illusionist was kicked, it enters with two +1/+1 counters on it.
{T}: Target land you control becomes the basic land type of your choice until end of turn.

Familiar Beeble Mascot

{TK}{TK} — Whenever this creature attacks, untap target permanent.
{TK}{TK}{TK}{TK} — Whenever a creature enters under your control, creatures you control get +1/+1 until end of turn.
{TK}{TK} — 2/3
{TK}{TK}{TK} — 5/3

Weird Angel Flame

{TK}{TK} — Heroic — Whenever you cast a spell that targets this permanent, put two +1/+1 counters on it.
{TK}{TK}{TK} — Protection from even mana values
{TK}{TK} — 2/3
{TK}{TK}{TK}{TK}{TK} — 7/8

Faerie Seer

Flying
When Faerie Seer enters, scry 2. (Look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

Ninja of the Deep Hours

Ninjutsu {1}{U} ({1}{U}, Return an unblocked attacker you control to hand: Put this card onto the battlefield from your hand tapped and attacking.)
Whenever Ninja of the Deep Hours deals combat damage to a player, you may draw a card.