We dont have to be able to do a full 50 to make use of the Reservoir
Cloudsteel Kirin Cloudsteel Kirin already has a good start as a 3/2 flier for 3 mana
Chamber Sentry Crimson Kobolds Crookshank Kobolds Cryptic Trilobite Endless One Hangarback Walker Kobolds of Kher Keep Marketback Walker Omarthis, Ghostfire Initiate Ornithopter Phyrexian Marauder Phyrexian Walker Rograkh, Son of Rohgahh Shield Sphere Shifting Wall Stonecoil Serpent Ugin's Conjurant Walking Ballista

Most valuable cards in Commander Legends: Battle for Baldur's Gate View the full price guide $203.03 Ancient Copper Dragon Commander Legends: Battle for Baldur's Gate $118.59 Ancient Silver Dragon Commander Legends: Battle for Baldur's Gate $103.09 Ancient Copper Dragon Commander Legends: Battle for Baldur's Gate $99.63 Ancient Copper Dragon Commander Legends: Battle for Baldur's Gate $93.69 Ancient Brass Dragon Commander Legends: Battle for Baldur's Gate $84.49 Captain N'ghathrod Commander Legends: Battle for Baldur's Gate $78.26 Baeloth Barrityl, Entertainer Commander Legends: Battle for Baldur's Gate $77.60 Passionate Archaeologist Commander Legends: Battle for Baldur's Gate More cards by Zoltan Boros $506.50 Ellie and Alan, Paleontologists Jurassic World Collection $88.33 Ragavan, Nimble Pilferer Modern Horizons 2 $39.74 Volo, Guide to Monsters Adventures in the Forgotten Realms Promos $32.53 Rakdos Charm Time Spiral Remastered $30.31 Determined Iteration New Capenna Commander Promos $28.50 Angel's Grace Time Spiral Remastered Promos $28.28 Decorated Knight // Present Arms Happy Holidays $24.22 Chaos Wrap Happy Holidays Discover Keep browsing SetCommander Legends: Battle for Baldur's Gate Most valuableTop 100 Magic: The Gathering cards You might also like...

Obviously, this is quite strong when it flips, but actually triggering nightfall early on is a challenge, or is facile because your opponent stumbles (and would lose to this even as just a 3/2)