mtg.wtf

Choose target spell. Counter that spell unless its controller pays {2}.
Threshold — If seven or more cards are in your graveyard, seek a creature card with the same mana value as the chosen spell.

Ninjutsu {U}{B}
Ninjutsu abilities you activate cost {1} less to activate.
Other Ninja and Rogue creatures you control get +1/+1.

Ninjutsu {U/B}
Ninjutsu abilities you activate cost {1} less to activate.
Other Ninja and Rogue creatures you control get +1/+1.

Magecraft — Whenever you cast or copy an instant or sorcery spell, target creature gets +1/+0 until end of turn.

As Silverquill Silencer enters the battlefield, choose a nonland card name.
Whenever an opponent casts a spell with the chosen name, they lose 3 life and you draw a card.

{1}{G}{U}: Put a +1/+1 counter on target creature you control.
Whenever one or more +1/+1 counters are put on a creature you control, put that many growth counters on Simic Ascendancy.
At the beginning of your upkeep, if Simic Ascendancy has twenty or more growth counters on it, you win the game.

Choose one —
• Target creature gets +3/+3 until end of turn.
• Permanents you control gain hexproof until end of turn.
• Return target creature to its owner's hand.

Simoon deals 1 damage to each creature target opponent controls.

Look at the top two cards of target opponent's library. Exile one of them face down and put the other on the bottom of that library. You may play the exiled card for as long as it remains exiled, and you may spend mana as though it were mana of any color to cast that spell.
Flashback {1}{U}{B}

{R}{G}: Creatures you control gain trample until end of turn.
{1}{R}{G}: Target land you control becomes a 4/4 Elemental creature until end of turn. It's still a land.

{T}: Add {B} or {G}.
{T}: Mill two cards.

Exploit
Whenever a creature you control exploits a nontoken creature, create a 2/2 black Zombie creature token.

Exploit
Whenever a creature you control exploits a creature, create a 2/2 black Zombie creature token.

Haste
Whenever Skullbriar, the Walking Grave deals combat damage to a player, put a +1/+1 counter on it.
Counters remain on Skullbriar as it moves to any zone other than a player's hand or library.

Flying
Toxic 1
Whenever Skullpiercer Gnat deals combat damage to a player, a random nonland card in that player's hand perpetually gains "When you cast this spell, you get a poison counter."

Flying, menace

Flying
Skycat Sovereign gets +1/+1 for each other creature you control with flying.
{2}{W}{U}: Create a 1/1 white Cat Bird creature token with flying.

Flying
Whenever Skyknight Vanguard attacks, create a 1/1 white Soldier creature token that's tapped and attacking.

Toxic 2
Whenever another creature you control with toxic attacks, it gets +1/+1 until end of turn.

Whenever you sacrifice a permanent, Slaughter-Priest of Mogis gets +2/+0 until end of turn.
{2}, Sacrifice another creature or an enchantment: Slaughter-Priest of Mogis gains first strike until end of turn.

Enchant creature
Enchanted creature has fear.
Whenever enchanted creature deals combat damage to an opponent, you may draw a card.

Slick Sequence deals 2 damage to any target. If you've cast another spell this turn, draw a card.

Whenever a Swamp or Forest enters the battlefield under your control, draft a card from Slimefoot, Thallid Transplant's spellbook.

When Snooping Newsie enters the battlefield, mill two cards.
As long as there are five or more mana values among cards in your graveyard, Snooping Newsie gets +1/+1 and has lifelink.

Flash
Flying
As long as an opponent has eight or more cards in their graveyard, Rogues you control get +1/+0.
Whenever one or more Rogues you control attack, each opponent mills two cards.