WHITE | BLUE | BLACK | RED | GREEN MULTICOLORED | ARTIFACT | LAND | ALL CARDS WHITE Coppercoat Vanguard Deification Harnessed Snubhorn Metropolis Reformer Spark Rupture Tazri, Stalwart Survivor BLUE Filter Out Tolarian Contempt Training Grounds Vesuvan Drifter BLACK Ayara's Oathsworn Blot Out Death-Rattle Oni Markov Baron Urborg Scavengers RED Arni Metalbrow Kolaghan Warmonger Plargg and Nassari Reckless Handling GREEN Animist's Might Leyline Immersion Nissa, Resurgent Animist Open the Way Tranquil Frillback Undercity Upheaval MULTICOLORED Calix, Guided by Fate Campus Renovation Cosmic Rebirth Danitha, New Benalia's Light Feast of the Victorious Dead Gold-Forged Thopteryx Jirina, Dauntless General Jolrael, Voice of Zhalfir The Kenriths' Royal Funeral Kiora, Sovereign of the Deep Nahiri, Forged in Fury Nahiri's Resolve Narset, Enlightened Exile Nashi, Moon's Legacy Niv-Mizzet, Supreme Ob Nixilis, Captive Kingpin Pia Nalaar, Consul of Revival Rebuild the City Rocco, Street Chef Samut, Vizier of Naktamun Sarkhan, Soul Aflame Sigarda, Font of Blessings Tyvar the Bellicose ARTIFACT Karn, Legacy Reforged LAND Drannith Ruins WHITE | BLUE | BLACK | RED | GREEN MULTICOLORED | ARTIFACT | LAND | ALL CARDS

Thanks to its uncounterable and indestructible ability, Toski is a hard card to remove if you have a board of creatures to protect from any sacrifice effects
White has a handful of decent ramping options as well, such as Kor Cartographer, Boreas Charger, and Knight of the White Orchid - each of which will help find you more Plains in a pinch
Gaston isn't known for being the brightest, but his Floodborn alternative has some wit
If this spell was cast from your hand, add ten mana of any one color