Vigilance
Creatures you control with vigilance have “{W}{U}, {T}: Draw a card. Activate this ability only if this creature attacked this turn.”

Menace
When this creature enters, for each nonland permanent your opponents control, its controller sacrifices it unless they pay life equal to 2 plus its mana value.

Whenever you cast a spell, if mana from an artifact source was spent to cast it, you may pay 1 life. If you do, draw a card. Do this only once each turn.

As this land enters, you may pay 2 life. If you don't, it enters tapped.
{T}: Add {B} or {G}.

Menace
Error spells you cast cost {X} less to cast, where X is the total amount of life your opponents have lost this turn.

Deathtouch
Whenever one or more artifact creatures you control deal combat damage to an opponent, you draw a card and you lose 1 life.

When Projects Overseer enters, surveil 2.

Trample, haste

{T}: Create a 1/1 blue Fish creature token with haste. Exile it at the beginning of the next end step. Activate only as a sorcery.

As an additional cost to cast spells during an opponent's turn, you may pay {U} and reveal Promethean Jaxl from your hand. If you do, you get a lurk counter.
Flash
Promethean Jaxl enters tapped.
When Promethean Jaxl enters, you draw a card for each lurk counter you have, then you lose all lurk counters.

When this artifact enters, draw a card.
{1}, {T}: Add one mana of any color.

Whenever you gain life, you may create a 0/0 colorless Robot artifact creature token with X +1/+1 counters on it, where X is the amount of life you gained. Do this only once each turn.

{T}: Add {C}. If this land entered this turn, you may add one mana of any color instead.
{4}, {T}: Create a tapped 1/1 colorless Fox Shapeshifter creature token with changeling.

As this creature enters, choose a creature type.
This creature is the chosen creature type in addition to its other types.
{2}: This creature becomes a copy of another target creature you control of the chosen type until end of turn.

Enchant creature
Enchanted creature gets +1/+1 and can't block.
Wander {1}{B}

This spell costs {1} less to cast for each card in exile you don't own.
Trample
Ward—Exile a nonland, nontoken permanent you control.

You may pay {3} rather than this spell's mana cost. If you do, it enters tapped with three stun counters on it.

Amity — This spell costs {R} less to cast if you attacked with exactly two creatures this turn.
When you cast your next instant or sorcery spell this turn, copy it. You may choose new targets for the copy.

{U}: Psychohopper gains flying until end of turn.
{2}{G}: Psychohopper gets +2/+2 until end of turn. Activate only once each turn.

Trample
Amity — Whenever you attack with Puddle Crasher and exactly one other creature, look at the top three cards of your library. Put one of them into your hand and the rest into your graveyard.

Enchant creature
Enchanted creature gets -X/-X, where X is your devotion to black.

Destroy target artifact. Pull the Wires deals 2 damage to that artifact's controller.

Choose one —
• Destroy target creature with flying.
• Exile target enchantment.
• Target creature you control gets +1/+1 and gains hexproof until end of turn.

If you control three or more enchantments, damage dealt by sources you control this turn can't be prevented.
Punishment from Nyx deals 2 damage to any target.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.
You choose which creatures block this turn and how those creatures block.