Thrasios, Triton Hero (one of Magic's best merfolks) and Kydele, Chosen of Kruphix give you access to ramp thanks to their green color identity and several useful spells, including some coin flip ones, thanks to their blue part
What does Shadowheart, Cleric of Order do
Ikoria: Lair of Behemoths Variants WHITE | BLUE | BLACK | RED | GREEN MULTICOLORED | COLORLESS | ARTIFACT | LAND | ALL CARDS WHITE Cubwarden Huntmaster Liger Majestic Auricorn Vulpikeet Drannith Magistrate Lavabrink Venturer Luminous Broodmoth Mythos of Snapdax Flourishing Fox Huntmaster Liger Luminous Broodmoth BLUE Archipelagore Dreamtail Heron Pouncing Shoreshark Sea-Dasher Octopus Mythos of Illuna Shark Typhoon Voracious Greatshark Pollywog Symbiote BLACK Cavern Whisperer Chittering Harvester Dirge Bat Insatiable Hemophage Extinction Event Hunted Nightmare Mythos of Nethroi Heartless Act Void Beckoner Dirge Bat RED Lukka, Coppercoat Outcast Cloudpiercer Everquill Phoenix Porcuparrot Mythos of Vadrok Yidaro, Wandering Monster Forbidden Friendship Everquill Phoenix Yidaro, Wandering Monster GREEN Vivien, Monsters' Advocate Auspicious Starrix Gemrazer Glowstone Recluse Migratory Greathorn Colossification Kogla, the Titan Ape Mythos of Brokkos Colossification Migration Path Gemrazer Titanoth Rex MULTICOLORED Zilortha, Strength Incarnate Narset of the Ancient Way Boneyard Lurker Brokkos, Apex of Forever Illuna, Apex of Wishes Lore Drakkis Necropanther Nethroi, Apex of Death Parcelbeast Regal Leosaur Snapdax, Apex of the Hunt Trumpeting Gnarr Vadrok, Apex of Thunder Chevill, Bane of Monsters Death's Oasis Eerie Ultimatum Emergent Ultimatum Frondland Felidar General Kudro of Drannith Genesis Ultimatum Inspired Ultimatum Kinnan, Bonder Prodigy Labyrinth Raptor Offspring's Revenge Quartzwood Crasher Rielle, the Everwise Ruinous Ultimatum Skycat Sovereign Slitherwisp Song of Creation Titans' Nest Whirlwind of Thought Winota, Joiner of Forces Fiend Artisan Gyruda, Doom of Depths Jegantha, the Wellspring Kaheera, the Orphanguard Keruga, the Macrosage Lurrus of the Dream Den Lutri, the Spellchaser Obosh, the Preypiercer Umori, the Collector Yorion, Sky Nomad Zirda, the Dawnwaker Sprite Dragon Brokkos, Apex of Forever Illuna, Apex of Wishes Nethroi, Apex of Death Snapdax, Apex of the Hunt Sprite Dragon Vadrok, Apex of Thunder Gyruda, Doom of Depths COLORLESS Mysterious Egg ARTIFACT Crystalline Giant The Ozolith Crystalline Giant LAND Indatha Triome Ketria Triome Raugrin Triome Savai Triome Zagoth Triome Bonders' Enclave WHITE | BLUE | BLACK | RED | GREEN MULTICOLORED | COLORLESS | ARTIFACT | LAND | ALL CARDS
For example, if you play fetch lands like [c]Polluted Delta[/c], you can play [c]Brainstorm[/c], draw three cards, put your two worst cards on top of your library, then shuffle them away by activating Polluted Deltas ability
Your opponents countermagic will also be completely dead if you manage to stick it, which is a nice bonus
