Sister of Silence
Creature — Human Knight
Flash
Psychic Abomination — When this creature enters, counter target instant spell, sorcery spell, activated ability, or triggered ability.
- CMC
- 5
- Mana cost
- Color identity
- U
- Rarity
- rare
- Set
- Warhammer 40,000 Commander
- Price
- —
- EDHREC rank
- #12417
Sister of Silence lands as a two-mana 2/1 with flying that locks out the opponent's entire spell type until your next turn — that's a tempo hit most decks can't fully absorb. Pair her with Displacer Kitten to reset the ability every turn, or slot her alongside Inquisitor Greyfax for a blink-and-suppress engine that keeps the table off spells indefinitely.
Best Commanders
Commanders with the highest synergy
Inquisitor Greyfax
Inquisitor Greyfax's vigilance-granting ability keeps Sister of Silence attacking every turn, and Greyfax's blink-adjacent support tools let you retrigger the suppression effect reliably enough to lock a specific player out of their primary spell type for multiple consecutive turns.
Format Analysis
Where it lives, where it can’t
| Format | Verdict |
|---|---|
| commander | legal |
| legacy | legal |
| modern | not legal |
| pioneer | not legal |
| standard | not legal |
| vintage | legal |
| pauper | not legal |
| oathbreaker | legal |
In Commander, Sister of Silence is a targeted hate piece — she shuts down one player's spell type for a full rotation, which is strong enough to shift combat math and buy critical tempo in the mid-game. The effect isn't permanent, but recurring flicker with Displacer Kitten or similar engines turns a one-turn tax into a sustained lock. In Legacy and Vintage, she competes with Rule of Law effects and harder hate bears, so she only slots in when the flying body or the creature type matters for tribal or synergy reasons. She's not legal in Modern, Pioneer, or Standard, so the Commander and eternal formats are the only places she shows up.
Key Combos
Combo lines featuring this card
Displacer KittenGuileSister of Silence
Infinite ETB; Infinite LTB; Infinite magecraft triggers; Infinite storm count
View on Commander Spellbook ↗Price Context
Current price
unknown tier
Pricing data isn't available at the moment — check Scryfall or TCGPlayer for current market rates on Sister of Silence. Given her narrow but real application in blink and hate-bear shells, she tends to hold modest value rather than spiking, but verify before buying.
Explore
Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.