Serum Powder
Artifact
: Add 
.
Any time you could mulligan and this card is in your hand, you may exile all the cards from your hand, then draw that many cards. (You can do this in addition to taking mulligans.)
- CMC
- 3
- Mana cost
- Color identity
- C
- Rarity
- rare
- Set
- Iconic Masters
- Price
- $1.69
- EDHREC rank
- #16330
Serum Powder does one thing: let you mulligan away entire hands that contain it, replacing them fully rather than going down a card. Outside of Eldrazi and Leyline decks built around seeing specific cards in the opening hand, it's a colorless mana rock that costs three and taps for one — a bad deal.
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 | not legal |
| oathbreaker | legal |
Serum Powder is a Legacy and Vintage staple exclusively in Eldrazi decks, where finding Eldrazi Temple or Eye of Ugin in the opener is worth dedicating four slots to a narrow card. In Commander, the effect almost never justifies the inclusion — you mulligan once or twice at most, and Serum Powder only triggers on the mull itself, not on command. The niche exception is a Commander deck built around a mandatory opening-hand piece, like a Leyline or a specific combo enabler, where the consistency gain outweighs running a weak rock. Oathbreaker shares that logic but with a 60-card deck and more aggressive curves, making the calculus slightly friendlier.
Key Combos
Combo lines featuring this card
Price Context
Current price
$1.69 cheap tier
At $1.69, Serum Powder sits at a fair price for a card with real but narrow demand — Legacy Eldrazi players will always want their playset. It's cheap enough to slot in speculatively, but don't expect it to earn its keep outside the archetypes that actually need it.
Explore
Sources
Mentioned
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.