MTG

Constellation — Whenever an enchantment enters the battlefield under your control, Triton Waverider gains flying until end of turn.

Undergrowth — When Moodmark Painter enters the battlefield, target creature gains menace and gets +X/+0 until end of turn, where X is the number of...

Bestow {4}{B} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attache...

Flying Landfall — Whenever a land enters the battlefield under your control, tap target creature an opponent controls. If that land is an Island, ...

Whenever Slate Street Ruffian becomes blocked, defending player discards a card.

Flying Whenever you cycle or discard another card, put a -1/-1 counter on each creature your opponents control. Cycling {2} ({2}, Discard this card...

Menace (This creature can't be blocked except by two or more creatures.) Whenever Belle of the Brawl attacks, other Knights you control get +1/+0 ...

Flying When Siren Lookout enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a land. ...

Heroes' Bane enters the battlefield with four +1/+1 counters on it. {2}{G}{G}: Put X +1/+1 counters on Heroes' Bane, where X is its power.

Defender {T}: Target creature gains haste until end of turn.

{1}, {T}, Sacrifice another creature: You gain life equal to the sacrificed creature's toughness. Draw a card.

Whenever Towering-Wave Mystic deals damage, target player mills that many cards.

When Slum Reaper enters the battlefield, each player sacrifices a creature.

Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.)

{2}{B}: Regenerate Asphodel Wanderer.

When you control no other creatures, sacrifice Emperor Crocodile.

{3}{U}, {T}: Draw a card, then discard a card.

Flying Whenever you cycle or discard a card, target creature gains flying until end of turn.

When Barrow Witches enters the battlefield, return target Knight card from your graveyard to your hand.

Trample (This creature can deal excess combat damage to the player or planeswalker it's attacking.)

{7}{U}, {T}, Sacrifice Shore Keeper: Draw three cards.

{1}{G}: Death-Hood Cobra gains reach until end of turn. {1}{G}: Death-Hood Cobra gains deathtouch until end of turn.

Boot Nipper enters the battlefield with your choice of a deathtouch counter or a lifelink counter on it.

Raid — When Shipwreck Looter enters the battlefield, if you attacked this turn, you may draw a card. If you do, discard a card.