And pirates and Treasure tokens have been tied together since Treasures introduction in Ixalan, giving you synergy pieces like Breeches, the Blastmaker and additional token production from cards like Ramirez DePietro, Pillager and Breeches, Eager Pillager
Ghalta, Primal Hunger Ive seen this creature be cast as early as turn 3 or 4, and I can imagine some play patterns allow you to cast it even sooner

Ross, Hapless Attach Falcon and Redwing Hatut Zeraze Strike Force Hercules, Olympian Hero Heroic Return Heroic Sacrifice Invisible Force Field King Solomon's Frogs Methods of the Mighty Midnight Angel Armor Queen Mother Ramonda Royal Talon Fighter Jet The Spear of Bashenga Ultimate Nullification Winter Soldier, Reborn Avenger Council of Reeds Extract Power Fantastic Elasticity Glorious Purpose Helmut Zemo, Mastermind Iron Man, Armored Avenger Jarvis, Earth's Mightiest Butler Kang Dynasty Lockjaw, Slobbering Teleporter Professor Hulk Valeria Richards, Precocious The Wasp, Winsome Avenger West Coast Expansion Age of Ultron Damocles Base, Sword of Kang Endless Ranks of HYDRA The Frightful Four Iron Monger, Sadistic Tycoon Klaw, Master of Sound Abomination, World Ravager Alicia Masters, Skilled Sculptor Batroc the Leaper Firebird, Blazing Ranger Flame On
For just one mana, Frost Bite can hit most relevant early-game creatures to get them off the battlefield
This version, which uses the Ravnica Cityscape frame that also works so well with the Multiverse Legends Juri, Master of the Revue has some sweet pen and ink art by Isis that dovetails with the frame and looks like Niv is both folding the city within his wings and scorching it, just a bit
Illustrated by Scott Kirschner Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp