Nanogene Conversion
Sorcery
Choose target creature you control. Each other creature becomes a copy of that creature until end of turn, except it isn't legendary.
- CMC
- 4
- Mana cost
- Color identity
- U
- Rarity
- rare
- Set
- Doctor Who
- Price
- $8.57
- EDHREC rank
- #4445
Nanogene Conversion turns every creature your opponents control into a copy of one creature you control — a board-wide overwrite that can close games on the spot with Biovisionary or simply erase your opponents' best threats. The Tenth Doctor // Rose Tyler decks run it as a primary win condition, and that inclusion rate tells you everything about the card's ceiling.
Best Commanders
Commanders with the highest synergy
The Tenth Doctor // Rose Tyler
The Tenth Doctor // Rose Tyler is the flagship home for Nanogene Conversion — converting all opponent creatures into copies of Biovisionary lets you immediately satisfy Biovisionary's four-copy win condition at end of turn.
Gor Muldrak, Amphinologist
Gor Muldrak, Amphinologist forces opponents to create Salamander Warrior tokens, so Nanogene Conversion converts a wide board of those tokens into something far more dangerous — typically a creature you've set up to win on contact.
The Celestial Toymaker
The Celestial Toymaker's game plan leans on creatures with powerful enters-the-battlefield or static effects, and Nanogene Conversion lets it weaponize the opponent's board by stamping every creature with whatever engine piece The Celestial Toymaker has in play.
The Mindskinner
The Mindskinner cares about opponents losing life and losing cards, and Nanogene Conversion fits as a tempo-swing reset that can neutralize combat math or enable a lethal alpha strike by collapsing the opposition's creature diversity.
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 |
Nanogene Conversion is a Commander card through and through — the effect scales directly with how many creatures opponents control, and nowhere is that count higher or more varied than a four-player pod. In Legacy and Vintage it's technically legal but sees no competitive play; seven mana for a creature-type overwrite is too slow and too narrow when those formats win on turns one through three. Oathbreaker is the only other format where the card is worth discussing, specifically in Biovisionary-adjacent builds that can assemble the win condition faster with a lower starting life total.
Key Combos
Combo lines featuring this card
Budget Alternatives
Cheaper options that do most of the same work
Standardize is the closest budget replacement for Nanogene Conversion — it converts all non-legendary creatures to copies of a legendary creature you control, which lines up well enough in most shells at a fraction of the price. It misses the Biovisionary line specifically since Biovisionary is legendary, so if that's the win condition, there's no clean substitute and Nanogene Conversion is the card you need.
Price Context
Current price
$8.57 mid tier
At $8.57, Nanogene Conversion sits in the mid tier — expensive enough to feel like a deliberate slot, cheap enough that its near-40% inclusion rate in Tenth Doctor decks keeps demand steady. It's a set-specific mythic with a narrow but devoted home, so the price is unlikely to crater unless a reprint lands in a widely distributed product.
Explore
Sources
Mentioned
- Biovisionary
- The Tenth Doctor // Rose Tyler
- Gor Muldrak, Amphinologist
- The Celestial Toymaker
- The Mindskinner
Updated . Data from Scryfall, EDHREC, and Commander Spellbook.