
Sidisi, Brood Tyrant
Sidisi, Brood Tyrant is a Sultai self-mill commander that turns graveyard setup into a steady stream of Zombie bodies and eventual inevitability.

Public decks: 1Bracket: Varies

Overview
- Game plan is to cast Sidisi, start milling on ETB/attacks, and convert milled creature cards into 2/2 Zombie tokens.
- Plays well as a creature-heavy midrange engine: self-mill fuels both board presence and a stocked graveyard for recursion lines.
- Typically wants repeatable ways to trigger Sidisi (attacking safely, recasting, or reusing ETB) while keeping your graveyard relevant.
- Can pivot between going wide with Zombies, grinding with value creatures, and setting up a big graveyard payoff turn.
- Interaction often focuses on protecting Sidisi and ensuring the graveyard plan doesn’t get shut off.
Common lines
- Ramp early, land Sidisi, then start attacking to mill and snowball Zombies while you develop your graveyard.
- Use self-mill to turn on graveyard recursion/value creatures, then leverage the extra bodies to pressure life totals or to insulate against removal.
- When the table stabilizes, convert a large board of Zombies into a decisive combat step or a drain-style finish (if your list supports it).
- Hold up a swingy defensive spell to punish alpha strikes (for example, Aetherspouts) and buy time to rebuild faster than the table.
Strengths
- Reliable engine: Sidisi triggers on both ETB and attacks, so you can keep accruing value without extra cards.
- Board presence comes “for free” while doing what you already want (milling), helping you defend planeswalkers and pressure opponents.
- Grindy resilience: a full graveyard makes it easier to recover after wipes and keep presenting threats.
- Flexible win paths between go-wide combat and graveyard-based payoffs, depending on your build.
Weaknesses
- Graveyard hate can significantly slow the deck and blank many of your best turns.
- Sidisi is a linchpin; repeated removal can stunt your token production and self-mill cadence.
- Self-mill is inherently high-variance; sometimes you miss on creatures and your Zombie output is lower.
- Going wide can be vulnerable to sweepers unless you have recursion, reload, or protection lined up.
Rule zero notes
- Mention whether your list leans hard into graveyard recursion/self-mill, since it can stress pods that aren’t expecting graveyard-centric play.
- Disclose if you’re running efficient tutors (for example, Demonic Tutor) and how often you use them to assemble deterministic finishes.
- Call out any fast mana or mana-engine pieces (for example, Basalt Monolith) that can jump you ahead of the table.
- If you play big reset buttons (for example, Cyclonic Rift), it’s worth flagging that your deck can swing games with one spell.
- Clarify whether your primary win condition is combat with Zombies or a non-combat graveyard payoff, so expectations match.
Matchups
Best into
- Creature-combat tables where a growing Zombie board can clog lanes and win races
- Slower midrange pods where repeated Sidisi triggers generate inevitability
- Removal-heavy games where extra tokens help you keep material on board
Struggles against
- Pods packing consistent graveyard hate and exile-based interaction
- Fast combo tables that can end the game before Sidisi’s engine matters
- Decks that repeatedly wipe the board while also pressuring your life total
FAQ
Do I need to attack with Sidisi to make the deck work?
Attacking is a big part of keeping the engine rolling, but you can still get value from the ETB trigger and by recasting/reusing Sidisi.
How does Sidisi actually make Zombies?
You only get a Zombie when at least one creature card is milled from your library into your graveyard, so creature density and repeatable mill matter a lot.
Is this more of a Zombie tribal deck or a graveyard deck?
It can be either; Sidisi naturally supports Zombies, but the core incentive is self-mill and making your graveyard a resource.
What are the usual ways Sidisi closes games?
Most builds can win by going wide and turning Zombies sideways, or by leveraging a large graveyard into a single big payoff turn.
What should I expect from the table in response to Sidisi?
Expect opponents to respect your graveyard and remove Sidisi on sight once they see the token engine start to snowball.