Discard a card: Ravenous Bloodseeker gets +2/-2 until end of turn.

[+2]: During target player's next turn, each creature that player controls attacks if able.
[−2]: Rowan Kenrith deals 3 damage to each tapped creature target player controls.
[−8]: Target player gets an emblem with "Whenever you activate an ability that isn't a mana ability, copy it. You may choose new targets for the copy."
Partner with Will Kenrith
Rowan Kenrith can be your commander.

Vigilance, haste
As Saskia the Unyielding enters the battlefield, choose a player.
Whenever a creature you control deals combat damage to a player, it deals that much damage to the chosen player.

Kicker
When Sea Gate Stormcaller enters the battlefield, copy the next instant or sorcery spell with converted mana cost 2 or less you cast this turn when you cast it. If Sea Gate Stormcaller was kicked, copy that spell twice instead. You may choose new targets for the copies.

Look at the top four cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in any order.

Sisay, Weatherlight Captain gets +1/+1 for each color among other legendary permanents you control.
: Search your library for a legendary permanent card with converted mana cost less than Sisay's power, put that card onto the battlefield, then shuffle your library.

, : You gain 1 life.

Whenever another creature dies, or a creature card is put into a graveyard from anywhere other than the battlefield, or a creature card leaves your graveyard, Syr Konrad, the Grim deals 1 damage to each opponent.
: Each player mills a card.

Tahngarth, First Mate can't be blocked by more than one creature.
Whenever an opponent attacks with one or more creatures, if Tahngarth is tapped, you may have that opponent gain control of Tahngarth until end of combat. If you do, choose a player or planeswalker that opponent is attacking. Tahngarth is attacking that player or planeswalker.

At the beginning of combat on your turn, target creature token you control gets +1/+1 until end of turn and can't be blocked this turn.
Embalm (, Exile this card from your graveyard: Create a token that's a copy of it, except it's a white Zombie Human Cleric with no mana cost. Embalm only as a sorcery.)

Target opponent reveals their hand. You choose a nonland card from it. That player discards that card.
Surveil 1. (Look at the top card of your library. You may put it into your graveyard.)

Tishana, Voice of Thunder's power and toughness are each equal to the number of cards in your hand.
You have no maximum hand size.
When Tishana enters the battlefield, draw a card for each creature you control.

When Trophy Mage enters the battlefield, you may search your library for an artifact card with converted mana cost 3, reveal it, put it into your hand, then shuffle your library.

If you would draw a card, instead look at the top three cards of your library, then put one into your hand and the rest into your graveyard.
Pay 4 life: Underrealm Lich gains indestructible until end of turn. Tap it.

Counter target noncreature spell. Untap up to three lands.

(Theme color: )

: Veiled Shade gets +1/+1 until end of turn.

[+1]: Look at the top four cards of your library. You may reveal a creature or land card from among them and put it into your hand. Put the rest on the bottom of your library in a random order.
[−3]: Destroy target artifact, enchantment, or creature with flying.
[−8]: You get an emblem with "Creatures you control get +2/+2 and have vigilance, trample, and indestructible."

Whenever a creature you control with deathtouch deals damage to a player or planeswalker, put a +1/+1 counter on that creature.
[−2]: Create a 1/1 black Assassin creature token with deathtouch and "Whenever this creature deals damage to a planeswalker, destroy that planeswalker."

[+2]: Until your next turn, up to two target creatures each have base power and toughness 0/3 and lose all abilities.
[−2]: Target player draws two cards. Until your next turn, instant, sorcery, and planeswalker spells that player casts cost less to cast.
[−8]: Target player gets an emblem with "Whenever you cast an instant or sorcery spell, copy it. You may choose new targets for the copy."
Partner with Rowan Kenrith
Will Kenrith can be your commander.