Sidewinder Sliver
Creature — Sliver
All Sliver creatures have flanking. (Whenever a creature without flanking blocks a Sliver, the blocking creature gets -1/-1 until end of turn.)
- CMC
- 1
- Mana cost
- Color identity
- W
- Rarity
- common
- Set
- Time Spiral Remastered
- Price
- $0.25
- EDHREC rank
- #12228
Sidewinder Sliver hands every Sliver you control flanking, turning each combat into a tempo nightmare for opponents running non-flanking creatures — and it does it for a single white mana. In The First Sliver builds, where the board fills fast and swings wide, that universal flanking tax closes games that would otherwise stall at parity.
Best Commanders
Commanders with the highest synergy
The First Sliver
The First Sliver cascades into Sidewinder Sliver and immediately upgrades every Sliver already in play, meaning the flanking bonus lands at instant speed the moment the card hits — no setup required, pure board-wide damage reduction for attacking and blocking alike.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | legal |
| pioneer | not legal |
| standard | not legal |
| vintage | legal |
| pauper | legal |
| oathbreaker | legal |
In Commander, Sidewinder Sliver is a role-player rather than a headliner — it belongs in Sliver tribal and nowhere else, but inside that tribe it earns its slot by taxing every non-flanking blocker across three opponents simultaneously. Pauper is the format where Sidewinder Sliver has the most raw impact: Slivers are a real deck there, the one-mana curve slot matters, and opponents have fewer ways to go over the top. Legacy and Vintage see it occasionally as a Sliver toolbox piece, but the format speed makes the flanking bonus mostly irrelevant — you're winning or losing before combat math becomes a factor.
Key Combos
Combo lines featuring this card
Price Context
Current price
$0.25 bulk tier
At $0.25, Sidewinder Sliver sits firmly in bulk territory — a throw-in at any trade table or a near-free pick-up online. Bulk combat-trick tribal pieces don't spike, so don't expect movement; just buy the copy you need and move on.
Explore
Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.