Niv-Mizzet, Supreme

Flying, hexproof from monocolored
Each instant and sorcery card in your graveyard that’s exactly two colors has jump-start. (You may cast that card from your graveyard by discarding a card in addition to paying its other costs. Then exile it.)

Kenessos, Priest of Thassa

If you would scry a number of cards, scry that many cards plus one instead.
: Look at the top card of your library. If it’s a Kraken, Leviathan, Octopus, or Serpent creature card, you may put it onto the battlefield. If you don’t put the card onto the battlefield, you may put it on the bottom of your library.

Warlord’s Elite

As an additional cost to cast this spell, tap two untapped artifacts, creatures, and/or lands you control.

Serra Redeemer

Flying
Whenever another creature with power 2 or less enters the battlefield under your control, put two +1/+1 counters on that creature.

Timely Interference

Kicker (You may pay an additional as you cast this spell.)
Target creature gets -1/-0 until end of turn. If this spell was kicked, that creature blocks this turn if able.
Draw a card.

Rivaz of the Claw

Menace
: Add two mana in any combination of colors. Spend this mana only to cast Dragon creature spells.
Once during each of your turns, you may cast a Dragon creature spell from your graveyard.
Whenever you cast a Dragon creature spell from your graveyard, it gains “When this creature dies, exile it.”

Baeloth Barrityl, Entertainer

Creatures your opponents control with power less than Baeloth Barrityl’s power are goaded. (They attack each combat if able and attack a player other than you if able.)
Whenever a goaded attacking or blocking creature dies, you create a Treasure token.
Choose a Background (You can have a Background as a second commander.)

Flame Discharge

Flame Discharge deals X damage to target creature or planeswalker. If you controlled a modified creature as you cast this spell, it deals X plus 2 damage instead. (Equipment, Auras you control, and counters are modifications.)

Resistance Squad

When Resistance Squad enters the battlefield, if you control another Human, draw a card.