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Transplant Theorist

Artifact Creature — Phyrexian Artificer

Whenever this creature or another artifact you control enters, you may draw a card. If you do, discard a card.
{2}: Put target card from your graveyard on the bottom of your library.

CMC
4
Mana cost
{3}{U}
Color identity
U
Rarity
uncommon
Set
Phyrexia: All Will Be One
Price
$0.27
EDHREC rank
#9424
Buy on TCGplayer
Transplant Theorist card art
Transplant Theorist puts a scry-and-draw engine directly on the battlefield — every creature dying near it filters your deck and replaces itself. River Song runs it in over half of all builds because the top-of-library manipulation feeds directly into her play-from-exile-in-reverse-order game plan.

Best Commanders

Commanders with the highest synergy

01
River Song

River Song

53.2% of decks · synergy 0.52

River Song cares deeply about the order cards leave the top of your library, and Transplant Theorist turns every death trigger into a scry that sets up her next exploit — it's not incidental value, it's infrastructure.

Format Analysis

Where it lives, where it can’t

FormatVerdict
commander legal
legacy legal
modern legal
pioneer legal
standard not legal
vintage legal
pauper not legal
oathbreaker legal

Transplant Theorist is a Commander card through and through — its death-trigger payoff compounds over a long game with multiple opponents, creatures dying constantly, and commanders that reward library manipulation. In competitive 60-card formats like Modern or Pioneer, a three-mana 2/3 that only triggers on death competes against far more efficient draw engines and rarely earns a slot. Legacy and Vintage have the same problem at an even steeper power bar. Transplant Theorist is legal in all of those formats but belongs in exactly one: Commander.

Key Combos

Combo lines featuring this card

Price Context

Current price

$0.27 bulk tier

At $0.27, Transplant Theorist is firmly bulk — you're picking it out of a commons box, not budgeting for it. Bulk rares with narrow Commander applications tend to stay at this floor, so there's no price pressure to act fast or slow.

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Sources

Mentioned

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Updated . Data from Scryfall, EDHREC, and Commander Spellbook.