You're still in early turns of Game 1, facing off with your green-white deck against your opponent's white-black deck
Sword of the Animist was far less of a known quantity five years ago, but the fact its price wont stay down nowadays belies the fact its just a solid, solid card
Spike is by far the most competitive

Mardu good-stuff Creature (19) 1x Ankle Shanker 1x Archetype of Courage 1x Butcher of the Horde 1x Emeria Angel 1x Garrulous Sycophant 1x Goblin Spymaster 1x Hanweir Militia Captain Flip 1x Kambal, Consul of Allocation 1x Kazuul, Tyrant of the Cliffs 1x Mardu Strike Leader 1x Mathas, Fiend Seeker 1x Mirror Entity 1x Mother of Runes 1x Odric, Lunarch Marshal 1x Ogre Battledriver 1x Royal Assassin 1x Teysa, Envoy of Ghosts 1x Thalia, Heretic Cathar 1x Windborn Muse Enchantment (14) Land (40) 1x Battlefield Forge 1x Bloodfell Caves 1x Bojuka Bog 1x Boros Garrison 1x Caves of Koilos 1x Command Tower 1x Evolving Wilds 1x Exotic Orchard 1x Hanweir Battlements Flip Meld 5x Mountain 1x Nomad Outpost 1x Orzhov Basilica 12x Plains 1x Rakdos Carnarium 1x Scoured Barrens 8x Swamp 1x Terramorphic Expanse 1x Wind-Scarred Crag Instant (6) Sorcery (4) Commander (1) Artifact (15) 1x Boros Signet 1x Charcoal Diamond 1x Commander's Sphere 1x Darksteel Ingot 1x Fellwar Stone 1x Fire Diamond 1x Marble Diamond 1x Orzhov Signet 1x Rakdos Signet 1x Skullclamp 1x Sol Ring 1x Spear of Heliod 1x Sunforger 1x Swiftfoot Boots

Although it seems like itll make a splash in Standard, Charming Princes flexibility gives it power in Commander as well