Like the Bracket Four decks, Bracket Five decks have no deckbuilding restrictions aside from the Banned List
If you're running some lifelink you have access to some big chunks of ramp, so be sure to bring in the X spells to really put an end to the game

Admonition Angel Adventuring Gear Aesi, Tyrant of Gyre Strait Akoum Firebird Akoum Hellhound Akoum Hellkite Akoum Stonewaker Ambrosia Whiteheart Architect of the Untamed Avenger of Zendikar Baloth Woodcrasher Belligerent Whiptail Black Chocobo Bloodghast Bristly Bill, Spine Sower Brushfire Elemental Calcite Snapper Canopy Baloth Canyon Jerboa Caustic Crawler Choco, Seeker of Paradise Chocobo Racetrack Claim the Kingdom Cosi's Ravager Courser of Kruphix Dragonback Assault Dreadwurm Druid Class Dnedain Rangers Earthbender Ascension Elfsworn Giant Embodiment of Fury Embodiment of Insight Emeria Angel Emeria Shepherd Eternity Vessel Eumidian Terrabotanist Eusocial Engineering Evolution Sage Fearless Fledgling Felidar Retreat Fledgling Griffin Floral Evoker Genemorph Imago Geode Rager Geyser Glider Geyserfield Stalker Glacier Godmaw Gladiolus Amicitia Glyph Elemental Grappling Kraken Grazing Gladehart Greensleeves, Maro-Sorcerer Groundswell Grove Rumbler Guardian of Tazeem Guul Draz Overseer Hagra Crocodile Hedron Crab Hedron Rover Hedron Scrabbler Icecave Crasher Icetill Explorer Ior Ruin Expedition Iridescent Vinelasher Jaddi Offshoot Ka-Zar of the Savage Land Kazandu Mammoth Kazandu Nectarpot Khalni Heart Expedition Lotus Cobra Maja, Bretagard Protector

Saffgor: Mana-neutral at base rate, and a cool enabler of combos, especially if they need to happen at Instant-speed (thereby preventing Greaves from being the 0-cost enabler)
Compare PSA, CGC, and PokeGrade approaches
This is a strategy that always brings a strong presence to the table, and Ivans take adds an extra layer of explosiveness