4,359 cards can cause a nontoken creature leaving the battlefield.
Dual Nature — When a creature leaves the battlefield thanks to Necromancer's Magemark, Dual Nature triggers
Tokka & Rahzar, Unsupervised — When a creature leaves the battlefield thanks to Necromancer's Magemark, Tokka & Rahzar, Unsupervised puts counters on a permanent
Rat King, Pale Piper — When a creature leaves the battlefield thanks to Necromancer's Magemark, Rat King, Pale Piper makes a token
4,395 cards can cause a creature leaving the battlefield.
Lunarch Veteran // Luminous Phantom — When a creature leaves the battlefield thanks to Necromancer's Magemark, Lunarch Veteran // Luminous Phantom gains you 1 life
Leader's Talent — When a creature leaves the battlefield thanks to Necromancer's Magemark, Leader's Talent gains you 2 life
Vela the Night-Clad — When a creature leaves the battlefield thanks to Necromancer's Magemark, Vela the Night-Clad costs each opponent 1 life
8,112 cards can cause anything leaving the battlefield.
Shaun, Father of Synths — When Shaun, Father of Synths leaves the battlefield thanks to Necromancer's Magemark, it triggers
Yukora, the Prisoner — When Yukora, the Prisoner leaves the battlefield thanks to Necromancer's Magemark, it triggers
Yes Man, Personal Securitron — When Yes Man, Personal Securitron leaves the battlefield thanks to Necromancer's Magemark, it makes number of quest counters on Yes Man tokens
14,538 cards can cause a creature it boosts.
Splinter, the Mentor — Necromancer's Magemark gives Splinter, the Mentor bigger stats
EDH Seer reads the oracle text of every card in a Commander decklist and reports which pairs
actually work together, with the reason printed next to each one.
34,433
cards in the corpus, 21,317 of them read in full
~495
synergy edges in an average Commander deck
0
model calls when you analyse a deck
What an edge is, and what it is not
Krenko, Mob Bossproduces
enters · creature · token
Impact Tremorscares about
Edge. When a creature enters thanks to Krenko, Mob Boss, Impact Tremors deals 1 damage.
Farseekproduces
enters · land
Enduring Couragecares about
No edge. It wants a creature entering, and a fetched land is not one.
What it refuses to claim
Ramp, removal and card draw are roles, not synergies — they make a deck work
without pairing with anything, so they are counted as slots rather than drawn as edges. A
card that refers to itself ("this creature", "this spell") is read as itself and not as a
class. Where the rules cannot say something, the report says nothing: a missing claim is
better than a confident wrong one.