Kuja, Genome Sorcerer Kuja, Genome Sorcerer puts a Rakdos spin on what's usually a blue-themed archetype
You can go the value route with something like Combustible Gearhulk, the combat route with Combat Celebrant and Fear of Missing Out, or the get everyone dead route with a damage-based ETB creature like Overlord of the Boilerbilges or Inferno Titan
If thats not a group hug, then I dont know what is
There are lots of different kinds of good red creatures, from cheap creatures that kill your opponent quickly to big and expensive dragons that win the game in just a couple hits
Archipelagore Auspicious Starrix Boneyard Lurker Brokkos, Apex of Forever Brokkos, Apex of Forever Cavern Whisperer Chittering Harvester Cloudpiercer Cubwarden Dirge Bat Dreamtail Heron Everquill Phoenix Everquill Phoenix Gemrazer Gemrazer Glowstone Recluse Huntmaster Liger Huntmaster Liger Illuna, Apex of Wishes Illuna, Apex of Wishes Insatiable Hemophage Lore Drakkis Majestic Auricorn Migratory Greathorn Mindleecher Necropanther Nethroi, Apex of Death Nethroi, Apex of Death Otrimi, the Ever-Playful Parcelbeast Pollywog Symbiote Pollywog Symbiote Porcuparrot Pouncing Shoreshark Regal Leosaur Sawtusk Demolisher Sea-Dasher Octopus Snapdax, Apex of the Hunt Snapdax, Apex of the Hunt Souvenir Snatcher Surgeon General Commander Trumpeting Gnarr Vadrok, Apex of Thunder Vadrok, Apex of Thunder Vulpikeet

Relic Bane Rarity: Uncommon TYPE: Enchantment SUBTYPE: Aura CMC: 3 Mana cost: USD: $0.07 EUR: 0.05 TIX: 0.03 EDHREC RANK: 27365 Enchant artifact Enchanted artifact has "At the beginning of your upkeep, you lose 2 life." Roar of the Kha Rarity: Uncommon TYPE: Instant SUBTYPE: - CMC: 2 Mana cost: USD: $0.18 EUR: 0.16 TIX: 0.07 EDHREC RANK: 21607 Choose one Creatures you control get +1/+1 until end of turn