3 Divine Convocation Convoke And Flood Divine Convocation is the primary convoke precon, being the best choice for playing a Commander deck built around the mechanic
It also gives your creature a +1/+1 counter so that it fights more favorably
Ignore it at your own risk.

Advanced Search Sets Random Syntax Agna Qel'a Ash Barrens Avishkar Raceway Barren Moor Bazaar of Baghdad Blasted Landscape Boseiju, Who Endures Bountiful Landscape Canyon Slough Capital City Coastal Peak Conqueror's Foothold Contaminated Landscape Deceptive Landscape Desert of the Fervent Desert of the Glorified Desert of the Indomitable Desert of the Mindful Desert of the True Desolate Lighthouse Drifting Meadow Eiganjo, Seat of the Empire Festering Thicket Fetid Pools Fogwell's Gym Fomori Vault Foreboding Landscape Forgotten Cave Glittering Massif Indatha Triome Irrigated Farmland Jetmir's Garden Ketria Triome Lonely Sandbar Nephalia Academy Night Market Otawara, Soaring City Perilous Landscape Polluted Mire Raffine's Tower Rain-Slicked Copse Raugrin Triome Remote Isle Restless Vents Rustic Clachan Savai Triome Scattered Groves Secluded Steppe Seething Landscape Shattered Landscape Sheltered Thicket Sheltering Landscape Slippery Karst Smoldering Crater Sokenzan, Crucible of Defiance Spara's Headquarters Spymaster's Vault Takenuma, Abandoned Mire Tolaria West Tranquil Landscape Tranquil Thicket Twisted Landscape Umbral Expanse Villainous Hideout Voldaren Estate Xander's Lounge Zagoth Triome Ziatora's Proving Ground

Red + White Burn tends to alter combat and/or provide life (Boros Charm, Lightning Helix, Intimidation Bolt, Aurelia's Fury, etc.)