Art by Karl Kopinski
Saved commander deck
Yidris, Maelstrom Wielder
Connect with Yidris to grant cascade to all spells cast from hand that turn, then leverage top-deck manipulation, cost reducers, extra combat phases, and massive value spells to steamroll opponents.
Prompt: Yidris, Maelstrom Wielder commander deck
Commander
1 cards
Yidris, Maelstrom Wielder
{U}{B}{R}{G}Legendary Creature — Ogre Wizard
Chosen commander for the requested strategy.
Ramp
10 cards
Bloom Tender
{1}{G}Creature — Elf Druid
Taps for up to four mana with Yidris in play
Card Draw
10 cards
Rhystic Study
{2}{U}Enchantment
Consistent passive card draw throughout the game
Sylvan Library
{1}{G}Enchantment
Manipulates top of library for optimal cascades
Wheel of Fortune
{2}{R}Sorcery
Refills hand with new options after casting low-cost spells
Rishkar's Expertise
{4}{G}{G}Sorcery
Draws cards based on Yidris and free-casts a spell to trigger cascade
Frantic Search
{2}{U}Instant
Looting card that untaps lands to cast more spells during cascade turn
Treasure Cruise
{7}{U}Sorcery
Cheap cast cost with Delve, but cascades off its high 8 MV
Removal
10 cards
Blasphemous Act
{8}{R}Sorcery
Cheap 13-MV board clear that cascades into high-cost threats
Snuff Out
{3}{B}Instant
Free creature removal spell that can still trigger cascade
Hullbreaker Horror
{5}{U}{U}Creature — Kraken Horror
Bounces opponent permanents continuously as you cascade
Threats/Wincons
24 cards
Averna, the Chaos Bloom
{G}{U}{R}Legendary Creature — Elemental Shaman
Turns hit cascade spells into additional ramp
Maelstrom Wanderer
{5}{G}{U}{R}Legendary Creature — Elemental
Cascades twice and grants haste to all creatures
Bloodbraid Elf
{2}{R}{G}Creature — Elf Berserker
Classic cascade spell that chains into more value
Apex Devastator
{8}{G}{G}Creature — Chimera Hydra
Cascades four times to explode board state instantly
Imoti, Celebrant of Bounty
{3}{G}{U}Legendary Creature — Snake Druid
Grants cascade to high-mana-value spells
Etherium-Horn Sorcerer
{4}{U}{R}Artifact Creature — Minotaur Wizard Sorcerer
Repeatable self-bouncing cascade creature
Throes of Chaos
{3}{R}Sorcery
Retrace cascade spell to turn extra lands into value
Wild-Magic Sorcerer
{3}{R}Creature — Orc Shaman Sorcerer
Gives cascade to the first spell cast from exile
Sakashima's Protege
{4}{U}{U}Creature — Shapeshifter
Flash cascade spell that copies any permanent that entered
Rashmi, Eternities Crafter
{2}{G}{U}Legendary Creature — Elf Druid
Provides extra free spells or card advantage every turn
Etali, Primal Storm
{4}{R}{R}Legendary Creature — Elder Dinosaur
Free spell generator on attack that synergizes with cascade
Etali, Primal Conqueror // Etali, Primal Sickness
{5}{R}{R}Legendary Creature — Elder Dinosaur // Legendary Creature — Phyrexian Elder Dinosaur
Massive enter-the-battlefield spell theft across all players
Temporal Manipulation
{3}{U}{U}Sorcery
Extra turn spell to continue cascade assault
Nexus of Fate
{5}{U}{U}Instant
Instant-speed extra turn that shuffles back into library
Aggravated Assault
{2}{R}Enchantment
Repeatable extra combat phases for multiple cascade triggers
Bear Umbra
{2}{G}{G}Enchantment — Aura
Untaps lands on attack and protects Yidris
Moraug, Fury of Akoum
{4}{R}{R}Legendary Creature — Minotaur Warrior
Generates extra combat phases with land drops
Karlach, Fury of Avernus
{4}{R}Legendary Creature — Tiefling Barbarian
Grants extra combat phase and first strike on attack
Fiery Emancipation
{3}{R}{R}{R}Enchantment
Triples damage so Yidris hits hard and lethal threats finish game
Sunbird's Invocation
{5}{R}Enchantment
Pseudo-cascade enchantment that stacks with Yidris triggers
Dig Through Time
{6}{U}{U}Instant
Delve spell with high MV to cascade into huge 7-mana spells
Klauth, Unrivaled Ancient
{5}{R}{G}Legendary Creature — Dragon
Generates massive bursts of mana on combat to fuel cascade spells
Utility
8 cards
Swiftfoot Boots
{2}Artifact — Equipment
Grants Yidris haste and protection from targeted removal
Lightning Greaves
{2}Artifact — Equipment
Zero-cost equip for immediate Yidris attack
Temur Battle Rage
{1}{R}Instant
Gives Yidris double strike to grant double cascade triggers
Whispersilk Cloak
{3}Artifact — Equipment
Makes Yidris unblockable and shroud to guarantee triggers
Aqueous Form
{U}Enchantment — Aura
Ensures Yidris attacks unblocked and scries before cascade
Sensei's Divining Top
{1}Artifact
Repeatable top-deck manipulation to maximize cascade value
Heroic Intervention
{1}{G}Instant
Protects Yidris and board state from destruction
Rhythm of the Wild
{1}{R}{G}Enchantment
Gives Yidris haste and keeps creature spells uncounterable
