Freejam Regent | Creature | Dragon | Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
Flying
{1}{R}: Freejam Regent gets +2/+0 until end of turn. | Volkan Baǵa
Kari Zev, Skyship Raider | Legendary Creature | Human Pirate | First strike, menace
Whenever Kari Zev, Skyship Raider attacks, create Ragavan, a legendary 2/1 red Monkey creature token. Ragavan enters the battlefield tapped and attacking. Exile that token at end of combat. | Brad Rigney
Kari Zev's Expertise | Sorcery | | Gain control of target creature or Vehicle until end of turn. Untap it. It gains haste until end of turn.
You may cast a spell with mana value 2 or less from your hand without paying its mana cost. | Jason Rainville
Pia's Revolution | Enchantment | | Whenever a nontoken artifact is put into your graveyard from the battlefield, return that card to your hand unless target opponent has Pia's Revolution deal 3 damage to them. | Clint Cearley
Quicksmith Rebel | Creature | Human Artificer | When Quicksmith Rebel enters the battlefield, target artifact you control gains "{T}: This artifact deals 2 damage to any target" for as long as you control Quicksmith Rebel. | Kieran Yanner
Release the Gremlins | Sorcery | | Destroy X target artifacts. Create X 2/2 red Gremlin creature tokens. | Izzy
Dark Intimations | Sorcery | | Each opponent sacrifices a creature or planeswalker, then discards a card. You return a creature or planeswalker card from your graveyard to your hand, then draw a card.
When you cast a Bolas planeswalker spell, exile Dark Intimations from your graveyard. That planeswalker enters the battlefield with an additional loyalty counter on it. | Chase Stone