Legendary Creature — Sliver

Sliver Gravemother

Mana value5EDHREC#6,089

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The Commander

The "legend rule" doesn't apply to Slivers you control.

Each Sliver creature card in your graveyard has encore {X} , where X is its mana value.

Encore {5} ( {5} , Exile this card from your graveyard: For each opponent, create a token copy that attacks that opponent this turn if able. They gain haste. Sacrifice them at the beginning of the next end step. Activate only as a sorcery.)

Guide

Gameplan

Assemble a Sliver hive with shared anthems and keyword soup, then grind value off your graveyard since every dead Sliver gains encore for one-time alpha-strike tokens. You can also run wild legendary Slivers (and copies) thanks to the legend-rule waiver. Win by overwhelming the board with buffed Slivers or assembling a Sliver combo loop.

Strengths

Five-color identity lets you run every Sliver and all the best ramp/removal/tutors
Built-in graveyard recursion via encore turns dead Slivers into repeatable threats and attackers
Ignoring the legend rule enables broken stacking of legendary Slivers and token copies
Sliver lords stack quickly, making the whole board lethal in a single turn
Deep, well-supported tribe with tutors like Sliver Overlord and Homing Sliver

Weaknesses

Heavily tribal-dependent—board wipes set you back hard
Five-color manabase is greedy and prone to color screw without fixing
Encore costs scale with mana value and require activation timing, so it's mana-hungry
Commander itself does nothing to protect the board
Graveyard hate shuts off the encore engine

Key Cards

Sliver Overlord — Repeatable tutor that fetches any Sliver, including combo and answer pieces.
The First Sliver — Cascade on every Sliver cast chains free spells and is a legendary you can copy freely.
Sliver Hive — Color-fixing land that also makes Sliver tokens to feed the board and graveyard.
Cloudshredder Sliver — Grants flying and haste, turning encore tokens and the team into immediate evasive threats.
Heart Sliver — Cheap haste-granter so freshly cast or recurred Slivers attack right away.
Manaweft Sliver — Mana dork that lets every Sliver tap for any color, fueling encore activations.
Sliver Legion — Massive scaling anthem that makes a wide hive instantly lethal.

Upgrade Path

Tighten the manabase with fetches, duals, shocks, and Sliver Hive/Cavern of Souls to make WUBRG consistent. Add fast mana and tutors (Sol Ring, Mana Crypt, Sliver Overlord, Worldly Tutor) plus protection like Heroic Intervention and Teferi's Protection. For higher power, build toward a compact combo line—Basal Sliver, Gemhide/Manaweft, and Lavabelly/Mindlash type pieces—so you can win without relying on a fragile go-wide board.

Core Cards

From 1 Mythicwyrm deck.

Win Conditions

▸Alpha strike with a wide, anthem-buffed Sliver board
▸Encore mass tokens for a lethal one-turn swing across all opponents
▸Infinite combos (e.g., mana plus repeatable Sliver effects) into a game-ending loop
▸Cascade value from The First Sliver snowballing into overwhelming advantage

Archetypes

Tribal Aggro — Stacks Sliver lords and keyword anthems to swing a buffed, evasive board for the win.
Reanimator/Recursion — Encore gives every Sliver in the yard a second life as attacking token copies.
Combo — Five colors plus the no-legend-rule clause enable Sliver loops and infinite-mana payoffs.
Goodstuff Midrange — WUBRG access lets you load up on premium ramp, removal, and tutors around the tribe.