Goblin Balloon Brigade

{R}: Goblin Balloon Brigade gains flying until end of turn.

Utvara Scalper

Flying
Utvara Scalper attacks each combat if able.

Roller Coaster

Visit — Creatures you control get +2/+0 until end of turn.

Rad Rascal

When Rad Rascal enters, open an Attraction. (Put the top card of your Attraction deck onto the battlefield.)

Mountain

Toby, Beastie Befriender

When Toby, Beastie Befriender enters, create a 4/4 white Beast creature token with "This creature can't attack or block alone."
As long as you control four or more creature tokens, creature tokens you control have flying.

Ride Guide

When Ride Guide enters, open an Attraction. (Put the top card of your Attraction deck onto the battlefield.)

Savannah Lions

Reckless Air Strike

Choose one —
• Reckless Air Strike deals 3 damage to target creature with flying.
• Destroy target artifact.

Plains

Gift Shop

Visit — Choose one that hasn't been chosen.
• Create a 1/1 red Balloon creature token with flying.
• Create a 2/2 pink Teddy Bear creature token.
• Create two Food tokens.
• You get {TK}{TK}{TK}.
• You may put a sticker on a nonland permanent you own.

Balloon Stand

Visit — Choose one.
• Create a 1/1 red Balloon creature token with flying.
• Sacrifice a Balloon. If you do, target creature gains flying until end of turn.

Kinsbaile Balloonist

Flying
Whenever Kinsbaile Balloonist attacks, you may have target creature gain flying until end of turn.

The Jolly Balloon Man

Haste
{1}, {T}: Create a token that's a copy of another target creature you control, except it's a 1/1 red Balloon creature in addition to its other colors and types and it has flying and haste. Sacrifice it at the beginning of the next end step. Activate only as a sorcery.

Complaints Clerk

When Complaints Clerk enters, open an Attraction. (Put the top card of your Attraction deck onto the battlefield.)
Whenever you roll a 1, create a 1/1 white Clown Robot artifact creature token.