Awesome Cyber Monday

Raid — When Storm Fleet Arsonist enters the battlefield, if you attacked with a creature this turn, target opponent sacrifices a permanent.

Whenever Territorial Hammerskull attacks, tap target creature an opponent controls.

Hexproof (This creature can't be the target of spells or abilities your opponents control.) When Jade Guardian enters the battlefield, put a +1/+1 ...

Reach

{7}{G}, {T}, Sacrifice Ixalli's Keeper: Target creature gets +5/+5 and gains trample until end of turn.

Menace When Dire Fleet Interloper enters the battlefield, it explores. (Reveal the top card of your library. Put that card into your hand if it's a...

Desperate Castaways can't attack unless you control an artifact.

Haste Whenever Tilonalli's Skinshifter attacks, it becomes a copy of another target nonlegendary attacking creature until end of turn.

Vigilance (Attacking doesn't cause this creature to tap.)

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. O...

Vigilance {1}{W}, {T}: Steadfast Armasaur deals damage equal to its toughness to target creature blocking or blocked by it.

Flying When Imperial Aerosaur enters the battlefield, another target creature you control gets +1/+1 and gains flying until end of turn.

Haste

Flying {7}{B}, {T}, Sacrifice Blight Keeper: Target opponent loses 4 life and you gain 4 life.

Flying When Skymarch Bloodletter enters the battlefield, target opponent loses 1 life and you gain 1 life.

When Fathom Fleet Cutthroat enters the battlefield, destroy target creature an opponent controls that was dealt damage this turn.

Menace {7}{R}, {T}, Sacrifice Fire Shrine Keeper: It deals 3 damage to each of up to two target creatures.

As long as you control a Jace planeswalker, Jace's Sentinel gets +1/+0 and can't be blocked.

Whenever Emperor's Vanguard deals combat damage to a player, it explores. (Reveal the top card of your library. Put that card into your hand if it'...

When Dire Fleet Hoarder dies, create a Treasure token. (It's an artifact with "{T}, Sacrifice this artifact: Add one mana of any color.")

When Legion Conquistador enters the battlefield, you may search your library for any number of cards named Legion Conquistador, reveal them, put th...