Aitor Sebastián

"Raw power wins battles, but those who choose the shape of the battlefield win the war."
—*The Pool of Knowledge*, opening inscription

Preordain

Scry 2, then draw a card. (To scry 2, look at the top two cards of your library, then put any number of them on the bottom and the rest on top in any order.)

"Some deaths you can evade. Others are inevitable."
—*Compendium of Warspells*

Triumph of the Hordes

Until end of turn, creatures you control get +1/+1 and gain trample and infect. (Creatures with infect deal damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.)

Return the Favor

Spree (Choose one or more additional costs.)
+ {1} — Copy target instant spell, sorcery spell, activated ability, or triggered ability. You may choose new targets for the copy.
+ {1} — Change the target of target spell or ability with a single target.

"A suit of armor is only as good as its seams."
—*Vanity Lost: A Knight's Folly*

Locust Spray

Target creature gets -1/-1 until end of turn.
Cycling {B} ({B}, Discard this card: Draw a card.)

"Mortality is a gift. There is a comfort in knowing that the end is coming."
—*Vess's Cautions in Necromancy*

Living End

Suspend 3—{2}{B}{B}
Each player exiles all creature cards from their graveyard, then sacrifices all creatures they control, then puts all cards they exiled this way onto the battlefield.

"Great power awaits those who can stomach its cost."
—*The Season of Loss,* chapter one

Culling the Weak

As an additional cost to cast this spell, sacrifice a creature.
Add {B}{B}{B}{B}.