Secondly, you must have the four different parts of a V Union card to assemble it
Lightning Bolt is the other half of the equation, but it isnt anything new
Find the local store on TCG+
Archdruid's Charm Avenging Druid Awakener Druid Blightsoil Druid Boreal Druid Circle of Dreams Druid Circle of the Land Druid Circle of the Moon Druid Citanul Druid Devoted Druid Dionus, Elvish Archdruid Dreampod Druid Druid Class Druid Lyrist Druid of Horns Druid of Purification Druid of the Anima Druid of the Cowl Druid of the Emerald Grove Druid of the Sacred Beaker Druid of the Spade Druid's Call Druid's Deliverance Druid's Familiar Druidic Ritual Druidic Satchel Druids' Repository Elder Druid Elfhame Druid Elvish Archdruid Fang-Druid Summoner Fugitive Druid Fyndhorn Druid Gilt-Leaf Archdruid Great Forest Druid Greenweaver Druid Grovetender Druids Halsin, Emerald Archdruid Harabaz Druid Harvester Druid Heritage Druid Hermit Druid Hermit Druid Avatar Ichneumon Druid Incubation Druid Jenson Carthalion, Druid Exile Juniper Order Druid Kagha, Shadow Archdruid Kamahl's Druidic Vow Krosan Druid Leafkin Druid Ley Druid Lifespring Druid Llanowar Druid Oath of Druids Paradise Druid Pollenbright Druid Primal Druid Quagmire Druid Questing Druid Questing Druid Quirion Druid Rootweaver Druid Springbloom Druid Sunshower Druid Tatyova, Benthic Druid Teferi, Druid of Argoth (playtest) Thelonite Druid Woodland Druid Zhur-Taa Druid
Also, for some ideas on cards, you can check out EDHREC, which is a database for deckbuilding
The idea couldnt be simpler: send as many fire energies as you can from your deck to the discard pile and then have Ceruledge ex deal crazy amounts of damage (the damage output increases by each fire energy there is on your discard pile)
