msem-instigator

Pressure {U}{U} (You may cast this spell for its pressure cost if seven or more cards are in your graveyard.)
Counter target spell.

Choose one —
• Destroy target artifact.
• Crushing Grip deals 2 damage to any target.

Choose one —
• Create a 3/3 red Shark enchantment creature token.
• Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.

Exile the top card of your library. You may play that card until your next end step. At the beginning of the next end step, if you didn't play the exiled card, return Curious Disturbances from your graveyard to your hand.

Whenever you draw your second card each turn, put a +1/+1 counter on Current Surfer.
{R}, Discard your hand, Sacrifice Current Surfer: Draw X cards, where X is its power. At the beginning of the next end step, discard your hand.

Pressure {3}{U}{B} (You may cast this spell for its pressure cost if there are seven or more cards in your graveyard.)
Slipstream (This creature can't be blocked as long as only creatures with slipstream are attacking.)
{U}{B}, Reveal Cuxuri Beckoner from your hand: Target player mills two cards.

Pressure {1}{U} (You may cast this spell for its pressure cost if there are seven or more cards in your graveyard.)
When Cuxuri Harbinger enters the battlefield, draw a card.

Pressure {6}{U}{U} (You may cast this spell for its pressure cost if seven or more cards are in your graveyard.)
Take an extra turn after this one. If this spell was cast for its pressure cost, during that turn, whenever you tap an Island for mana, add an additional {U}.
Exile Cuxuri Rift.

Destroy target artifact, enchantment, or creature with slipstream.
You gain 4 life.

{T}, Mill a card: Add {G}.
{2}{G}{G}, Sacrifice Danithra Caller: Mill two cards, then create two 1/1 blue Tentacle creature tokens.

Pressure—{B}, Exile six cards from your graveyard. (You may cast this spell for its pressure cost if there are seven or more cards in your graveyard.)
Deathtouch
{B}, Exile six cards from your graveyard: Return Danithra Champion from your graveyard to the battlefield. Activate only during your turn.

{B}, Sacrifice another creature: Exile target card in an opponent's graveyard. You may cast that 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. Activate only as a sorcery.

Spells your opponents cast that target Danithra Muckbruiser cost {2} more to cast.
Danithra Muckbruiser gets +X/+X, where X is the number of cards in your graveyard minus seven. (If there are fewer than seven, it gets +0/+0.)

{T}, Discard a card, Sacrifice Danithra Oracle: Target creature gets -3/-3 until end of turn. Activate only as a sorcery.

At the beginning of each end step, you gain X life and each opponent loses X life, where X is the number of times you gained life this turn.
{2}{B}: Darksand Acolyte gains indestructible and lifelink until end of turn.

Slipstream (This creature can't be blocked as long as only creatures with slipstream are attacking.)
Cycling {2} ({2}, Discard this card: Draw a card.)

{W}, {T}: Target attacking creature gets +1/+1 until end of turn. This ability costs {W} less to activate if it targets a Soldier.

Whenever Dawn Hill Daybreaker or another creature enters the battlefield under your control, you gain 1 life. If that creature is a Cleric, tap up to one target creature an opponent controls.

Double strike

Dawn Hill Outskirts enters the battlefield tapped unless you played it from exile.
{T}: Add {R} or {W}.

Vigilance
This spell costs {1} less to cast for each +1/+1 counter among creatures you control.

At the beginning of combat on your turn, choose one —
• Equipped creature gets +2/+0 and gains first strike until end of turn.
• Equipped creature gets +0/+2 and gains vigilance until end of turn.
Equip {3}

Dawn Hill Swiftstriker gets +2/+0 as long as you control another Warrior.

When Dawson's Bouncer enters the battlefield, choose one —
• Put a +1/+1 counter on Dawson's Bouncer.
• Create a Treasure token. (It's an artifact with “{T}, Sacrifice this artifact: Add one mana of any color.”)

Dawson's Collector can't block.
Whenever Dawson's Collector attacks, you may sacrifice another creature. If you do, create a tapped Treasure token.
Whenever you sacrifice your third permanent each turn, each opponent sacrifices a creature or planeswalker.