{2}, Sacrifice a creature: Teach target creature menace.

Sacrifice a Treasure: Capital Maglev gains your choice of haste or trample until end of turn.
Crew 2

When Coercive Contractor enters, create a Treasure token.
{X}, {T}, Sacrifice a Treasure: Gain control of target nontoken creature with mana value X until end of turn. Untap that creature. It gains haste until end of turn. Activate only as a sorcery.

Menace
Whenever Corporate Mentor attacks, teach target attacking creature with lesser power menace.

Equipped creature gets +2/+0.
Whenever equipped creature attacks, make a pledge.
Equip {3}

Trample, haste
Decayed

When Flags on High enters, create two 1/1 colorless Soldier creature tokens.
{1}{R}, Sacrifice Flags on High: Target creature you control gets +1/+0 and gains haste until end of turn. Activate only as a sorcery.

Haste
Whenever a player casts a spell, if no mana from a basic source was spent to cast it, Flaw in the System deals 2 damage to that player.

Approval — When Flock Favorites enters, exile the top X cards of your library, where X is the number of colors among permanents you control. Until the end of your next turn, you may play those cards.

Enchant creature
Enchanted creature attacks each combat if able.
Whenever enchanted creature attacks, teach it trample.

When Gubernatorial Fundraiser enters, make a pledge.
When Gubernatorial Fundraiser dies, create a tapped Treasure token.

Menace
When Hazakh Commandos enters, if you control a black permanent, create a 2/2 colorless Minion creature token with decayed.

You may pay {R} rather than pay this spell's mana cost. Spend only mana produced by artifact sources to cast it this way.
Hired Shot deals 3 damage to any target.

Approval — When Inflammatory Declaimer enters, it deals X damage to each opponent, where X is the number of colors among permanents you control.

{T}: Add {R}{R}{R}. Spend this mana only to cast creature spells. If that mana is spent on a creature spell, it enters with an additional haste counter and decayed counter on it.

Trample
When Main Street Hooligang enters, if you control a green permanent, you may have Main Street Hooligang fight target creature.

As an additional cost to cast this spell, sacrifice a creature.
Exile the top X cards of your library, where X is the sacrificed creature's power. Until the end of your next turn, you may play those cards.

Create a token that's a copy of target creature you control, except it has haste. Sacrifice it at the beginning of the next end step. If {G} was spent this spell, the token must be blocked each combat this turn if able. If {B} was spent to cast this spell, the token gains deathtouch.

Haste
Whenever Penrath Firearm attacks, create a colorless Equipment artifact token with “Equipped creature gets +2/+0” and equip {2} attached to target attacking creature.

Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn.
You choose which creatures block this turn and how those creatures block.

Target creature gets +3/+2 until end of turn. Teach it trample.

When Resourceful Hireling enters, choose one —
• Create a 0/0 colorless Robot artifact creature token with a +1/+1 counter on it.
• Create a Treasure token.

Trample
Whenever Revolutionary Throng attacks, if you control another creature with power 4 or greater, it gets +2/+0 until end of turn.

Players can't gain life.
Whenever a player casts a spell, Scathing Remarks deals 1 damage to that player for each of that spell's colors.

When Sparks of a Revolution enters, create a 1/1 colorless Soldier creature token. It gains haste until end of turn.
Three or more sources you controlled dealt damage this turn.
A source you controlled dealt 3 or more damage this turn.