Clara Oswald (Commander) - Sacrifice

Mike Carrozza
The Best Cards for Extra Upkeeps - Grixis
With Obeka from Outlaws of Thunder Junction and The Ninth Doctor in Doctor Who, there's never been a better time to abuse the upkeeps in Commander!
Deck Filters
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Argentum Masticore
100% of 1 decks +98% synergy
Canoptek Scarab Swarm
100% of 1 decks +94% synergy
Scrapyard Recombiner
100% of 1 decks +93% synergy
Workshop Assistant
100% of 1 decks +93% synergy
Sandstone Oracle
100% of 1 decks +91% synergy
Junk Diver
100% of 1 decks +88% synergy
Kuldotha Forgemaster
100% of 1 decks +84% synergy
Metalworker
100% of 1 decks +83% synergy
Karn, Legacy Reforged
100% of 1 decks +83% synergy
Cityscape Leveler
100% of 1 decks +80% synergy
Duplicant
100% of 1 decks +79% synergy
Myr Retriever
100% of 1 decks +74% synergy
Emrakul, the World Anew
100% of 1 decks +71% synergy
Emrakul, the Promised End
100% of 1 decks +67% synergy
Jhoira's Familiar
100% of 1 decks +65% synergy
Wandering Archaic
100% of 1 decks +62% synergy
Ulamog, the Infinite Gyre
100% of 1 decks +59% synergy
Meteor Golem
100% of 1 decks +58% synergy
Kozilek, Butcher of Truth
100% of 1 decks +58% synergy
Ulamog, the Ceaseless Hunger
100% of 1 decks +56% synergy
Kozilek, the Great Distortion
100% of 1 decks +54% synergy
Foundry Inspector
100% of 1 decks +53% synergy
Flayer of Loyalties
100% of 1 decks +51% synergy
Skittering Cicada
100% of 1 decks +49% synergy
Instants
Spatial Contortion
100% of 1 decks +74% synergy
Warping Wail
100% of 1 decks +40% synergy
Null Elemental Blast
100% of 1 decks +36% synergy
Sorceries
Introduction to Annihilation
100% of 1 decks +75% synergy
All Is Dust
100% of 1 decks +12% synergy
Utility Artifacts
Goblin Boom Keg
100% of 1 decks +100% synergy
Maskwood Nexus
100% of 1 decks +99% synergy
Ghirapur Orrery
100% of 1 decks +99% synergy
Memory Jar
100% of 1 decks +98% synergy
Helm of Awakening
100% of 1 decks +94% synergy
Semblance Anvil
100% of 1 decks +85% synergy
Voltaic Key
100% of 1 decks +78% synergy
Portal to Phyrexia
100% of 1 decks +75% synergy
Moonsilver Key
100% of 1 decks +72% synergy
The One Ring
100% of 1 decks +70% synergy
Manifold Key
100% of 1 decks +65% synergy
Expedition Map
100% of 1 decks +60% synergy
Hedron Archive
100% of 1 decks +26% synergy
Mystic Forge
100% of 1 decks +24% synergy
Forsaken Monument
100% of 1 decks +11% synergy
Battles
Invasion of Ravnica
100% of 1 decks +99% synergy
Planeswalkers
Ugin, the Spirit Dragon
100% of 1 decks +51% synergy
Ugin, the Ineffable
100% of 1 decks +17% synergy
Utility Lands
Mouth of Ronom
100% of 1 decks +100% synergy
Great Hall of the Citadel
100% of 1 decks +100% synergy
HELIOS One
100% of 1 decks +99% synergy
Underdark Rift
100% of 1 decks +97% synergy
Echoing Deeps
100% of 1 decks +94% synergy
Phyrexia's Core
100% of 1 decks +93% synergy
Witch's Clinic
100% of 1 decks +92% synergy
Ghost Quarter
100% of 1 decks +87% synergy
Wasteland
100% of 1 decks +85% synergy
Blasted Landscape
100% of 1 decks +84% synergy
Homeward Path
100% of 1 decks +81% synergy
Strip Mine
100% of 1 decks +80% synergy
Ancient Tomb
100% of 1 decks +66% synergy
Eye of Ugin
100% of 1 decks +61% synergy
Urza's Saga
100% of 1 decks +60% synergy
Inventors' Fair
100% of 1 decks +59% synergy
Zhalfirin Void
100% of 1 decks +56% synergy
Scavenger Grounds
100% of 1 decks +56% synergy
Sanctum of Ugin
100% of 1 decks +55% synergy
Blast Zone
100% of 1 decks +54% synergy
Eldrazi Temple
100% of 1 decks +45% synergy
Buried Ruin
100% of 1 decks +45% synergy
Mana Artifacts
Meteorite
100% of 1 decks +100% synergy
Coveted Jewel
100% of 1 decks +96% synergy
Fractured Powerstone
100% of 1 decks +95% synergy
Chromatic Orrery
100% of 1 decks +91% synergy
The Irencrag
100% of 1 decks +89% synergy
Grim Monolith
100% of 1 decks +88% synergy
Prismatic Lens
100% of 1 decks +88% synergy
Fellwar Stone
100% of 1 decks +88% synergy
Mox Opal
100% of 1 decks +86% synergy
Gilded Lotus
100% of 1 decks +80% synergy
Liquimetal Torque
100% of 1 decks +78% synergy
Mana Vault
100% of 1 decks +73% synergy
Basalt Monolith
100% of 1 decks +52% synergy
Dreamstone Hedron
100% of 1 decks +47% synergy
Thought Vessel
100% of 1 decks +34% synergy
Mind Stone
100% of 1 decks +21% synergy
Thran Dynamo
100% of 1 decks +17% synergy
Sol Ring
100% of 1 decks +5% synergy
Lands
Crystal Grotto
100% of 1 decks +79% synergy
The Mycosynth Gardens
100% of 1 decks +65% synergy
Urza's Cave
100% of 1 decks +46% synergy