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This ends up mattering in patterns of play involving Scapeshift and an Amulet of Vigor
Theres a few cards out there that also care about when counters are put on permanents you control

The Deck Okay, here is the full decklist: Creatures (27) 1 Glissa Sunseeker 1 Brooding Saurian 1 Mossbridge Troll 1 Psychosis Crawler 1 Selvala, Heart of the Wilds 1 Wayward Swordtooth 1 Grothama, All-Devouring 1 Gigantosaurus 1 Goreclaw, Terror of Qal Sisma 1 God-Eternal Rhonas 1 Yorvo, Lord of Garenbrig 1 Allosaurus Shepherd 1 Old-Growth Troll 1 Shigeki, Jukai Visionary 1 Llanowar Loamspeaker 1 Defiler of Vigor 1 Silverback Elder 1 Old One Eye 1 Biophagus 1 Gwenna, Eyes of Gaea 1 Haywire Mite 1 Cankerbloom 1 Zopandrel, Hunger Dominus 1 Surrak and Goreclaw 1 Doomskar Warrior 1 Emergent Woodwurm 1 Tranquil Frillback Lands (39) Spells (33) 1 Rancor 1 Exploration 1 Sol Ring 1 Giant Growth 1 Food Chain 1 Kodama's Reach 1 Skullclamp 1 Gaea's Touch 1 Invigorate 1 Greater Good 1 Gather Courage 1 Might of Old Krosa 1 Deathrender 1 Nature's Claim 1 Beast Within 1 Ezuri's Predation 1 Heroic Intervention 1 Blackblade Reforged 1 Genesis Storm 1 Guardian Project 1 Return of the Wildspeaker 1 Shadowspear 1 Ram Through 1 Garruk's Uprising 1 Liquimetal Torque 1 Tamiyo's Safekeeping 1 Majestic Genesis 1 Tangleweave Armor 1 Tribute to the World Tree 1 Cosmic Hunger 1 Atraxa's Fall 1 Last March of the Ents 1 Barrow-Blade Here are the deck stats from our friends at Archidekt: What must-have cards might I have missed including here

Keeper of Secrets can deal a bunch of direct damage, either by attacking as a 6/4 flier with haste or when you resolve your spells from exile
Toxtricity VMAX, when combined with cards like Garbodor (REC) & Electropower, can mostly one-hit KO any card in its path