In most of the games these are a collection of crystals tied to elements (Wind, Fire, Earth, Water), sometimes Light and Dark, and in other times more abstracted
Bloodline Necromancer

Drawing Cards with Nymris | Commander | Jason Alt Commander (1) 1 Nymris, Oona's Trickster Creatures (21) 1 Brazen Borrower 1 Brineborn Cutthroat 1 Crafty Cutpurse 1 Cunning Nightbonder 1 Dream Eater 1 Hullbreacher 1 Lochmere Serpent 1 Naiad of Hidden Coves 1 Nimble Obstructionist 1 Notion Thief 1 Opposition Agent 1 Portal Mage 1 Slitherwisp 1 Snapcaster Mage 1 Spectral Sailor 1 Stunt Double 1 Thassa's Oracle 1 Torrential Gearhulk 1 Venser, Shaper Savant 1 Voracious Greatshark 1 Wavebreak Hippocamp Planeswalkers (1) 1 Jace, Wielder of Mysteries Instants (31) 1 Aetherize 1 Arcane Denial 1 Brainstorm 1 Commandeer 1 Counterspell 1 Countersquall 1 Cyclonic Rift 1 Deadly Rollick 1 Desertion 1 Dig Through Time 1 Drown in the Loch 1 Fact or Fiction 1 Fierce Guardianship 1 Frantic Search 1 Gather Specimens 1 Go for the Throat 1 Impulse 1 Mana Drain 1 Mystical Teachings 1 Mystical Tutor 1 Narset's Reversal 1 Negate 1 Opt 1 Pongify 1 Rapid Hybridization 1 Reality Shift 1 Rewind 1 Spelljack 1 Swan Song 1 Unwind 1 Vampiric Tutor Enchantments (4) 1 Faerie Tauntings 1 Omen of the Dead 1 Omen of the Sea 1 Rhystic Study Artifacts (9) 1 Arcane Signet 1 Charcoal Diamond 1 Dimir Signet 1 Fellwar Stone 1 Mind Stone 1 Sky Diamond 1 Sol Ring 1 Talisman of Dominance 1 Thought Vessel This almost feels like a tribal deck to me - we have Cunning Nightbonder and Niad of Hidden Coves reducing the cost of our "flash tribal" cards and that's as many warchiefs as most tribes get

Peer Pressure permanently steal your opponents tribal armies and turn them against their owners
This means that Sunforger doesnt just bulk up your guys but also serves as a rapid response to, well, just about anything your opponent can throw out
Legendary Creature Elf Noble4/4 Whenever Galadriel enters or attacks, choose one Put a +1/+1 counter on another target creature