So many of the cards in the deck put +1/+1 counters on your creatures for minimal effort, and with certain other cards, those counters can stick around even if the creatures with them get removed

Aberrant Abominable Treefolk Abomination of Llanowar Abu Ja'far Academy Elite Academy Wall Acolyte of Xathrid Activated Sleeper Adamaro, First to Desire Adaptive Shimmerer Adeline, Resplendent Cathar Adeline, Resplendent Cathar Aegis Automaton Aegis Turtle Aeon Chronicler Aetherwing, Golden-Scale Flagship Agadeem Occultist Akiri, Line-Slinger Akoum Hellhound Akroan Horse Alabaster Wall Alexander Clamilton Ali from Cairo Alicia Masters, Skilled Sculptor Allosaurus Rider Altar Golem Altered Ego Amaranthine Wall Ambitious Dragonborn Anax, Hardened in the Forge Ancient Ooze Angelic Enforcer Angelic Wall Angry Mob Animus of Night's Reach Anthroplasm Apocalypse Demon Apocalypse Hydra Apprentice Wizard Aquamorph Entity Aquastrand Spider Arboreal Grazer Arcane Artisan Arcbound Bruiser Arcbound Condor Arcbound Crusher Arcbound Fiend Arcbound Hybrid Arcbound Javelineer Arcbound Lancer Arcbound Mouser Arcbound Overseer Arcbound Prototype Arcbound Ravager Arcbound Reclaimer Arcbound Shikari Arcbound Slasher Arcbound Slith Arcbound Stinger Arcbound Tracker Arcbound Wanderer Arcbound Whelp Arcbound Worker Archers' Parapet Archpriest of Iona Argothian Enchantress Armored Armadillo Armored Scrapgorger Armored Whirl Turtle Ashaya, Soul of the Wild Assembled Ensemble Assquatch

Theros had a handful of colored artifacts representing the weapons of the gods (Bident of Thassa)
You can only tap one creature at a time for station , so if you have a creature with eight power, it's best to use that creature to station Inspirit to instantly turn on all its abilities