Strefan, Maurer Progenitor

anything leaves the battlefield — 1 card in Strefan's colors can cause this (Strefan is one).

1. Nadier, Agent of the Duskenel — When a Blood leaves the battlefield thanks to Strefan, Maurer Progenitor, Nadier, Agent of the Duskenel puts a +1/+1 counter on itself

a Blood token is sacrificed — 6 cards in Strefan's colors can cause this (Strefan is one).

When a Blood is sacrificed thanks to Strefan, Maurer Progenitor:

1. Gluttonous Guest — gains you 1 life
2. Sanguine Statuette — turns something into a creature
3. Blood Hypnotist — triggers

a Blood token is created — 34 cards in Strefan's colors can cause this (Strefan is one).

1. Voldaren Bloodcaster // Bloodbat Summoner — When Strefan, Maurer Progenitor makes a Blood token, Voldaren Bloodcaster // Bloodbat Summoner triggers

a token is sacrificed — 55 cards in Strefan's colors can cause this (Strefan is one).

When a Blood is sacrificed thanks to Strefan, Maurer Progenitor:

1. Mirkwood Bats — makes each opponent lose 1 life
2. The Sackville-Bagginses — makes each opponent lose 1 life

a token is put into a graveyard from the battlefield — 74 cards in Strefan's colors can cause this (Strefan is one).

1. Tatsumasa, the Dragon's Fang — When a Blood dies thanks to Strefan, Maurer Progenitor, Tatsumasa, the Dragon's Fang exiles itself

a token leaves the battlefield — 113 cards in Strefan's colors can cause this (Strefan is one).

When a Blood leaves the battlefield thanks to Strefan, Maurer Progenitor:

1. Boomer Scrapper — puts a +1/+1 counter on itself
2. Nadier's Nightblade — makes each opponent lose 1 life

3 other cards care about it too. These are the ones with the most connections.

a Vampire attacks — 344 cards in Strefan's colors can cause this (Strefan is one).

When Strefan, Maurer Progenitor attacks:

1. Glass-Cast Heart — makes a token
2. Sanctum Seeker — makes each opponent lose 1 life

a Vampire creature is cast — 344 cards in Strefan's colors can cause this (Strefan is one).

1. Bloodlord of Vaasgoth — When Strefan, Maurer Progenitor is cast, Bloodlord of Vaasgoth grants bloodthirst

a Vampire deals combat damage — 344 cards in Strefan's colors can cause this (Strefan is one).

When Strefan, Maurer Progenitor deals combat damage:

1. Rakish Heir — puts a counter on a permanent
2. Stensia Masquerade — puts a counter on a permanent

a Vampire enters the battlefield — 352 cards in Strefan's colors can cause this (Strefan is one).

When a Vampire enters thanks to Strefan, Maurer Progenitor:

1. Anje, Maid of Dishonor — makes a token
2. Markov Enforcer — deals damage

an artifact is sacrificed — 554 cards in Strefan's colors can cause this (Strefan is one).

When a Blood is sacrificed thanks to Strefan, Maurer Progenitor:

1. Moonstone Eulogist — puts a +1/+1 counter on itself
2. Magnetic Snuffler — puts a +1/+1 counter on itself
3. Jaws, Relentless Predator — deals 1 damage
4. Crime Novelist — puts a +1/+1 counter on itself

2 other cards care about it too. These are the ones with the most connections.

an artifact is put into a graveyard from the battlefield — 724 cards in Strefan's colors can cause this (Strefan is one).

When a Blood is put into a graveyard from the battlefield thanks to Strefan, Maurer Progenitor:

1. Krenko, Baron of Tin Street — makes a token
2. Syr Ginger, the Meal Ender — puts a +1/+1 counter on itself
3. Shard of the Void Dragon — puts 2 +1/+1 counters on itself
4. Ultron the Annihilator — makes each opponent lose 1 life
5. Ultron's Auxiliary — puts a +1/+1 counter on itself
6. Scrap Trawler — brings a card back
7. Gremlin Infestation — makes a token
8. Summoning Station — untaps itself
9. Marionette Master — makes each opponent lose life equal to this creature's power
10. Disciple of the Vault — makes each opponent lose 1 life

18 other cards care about it too. These are the ones with the most connections.

anything is sacrificed — 1,958 cards in Strefan's colors can cause this (Strefan is one).

1. Gorbag of Minas Morgul — When a Blood is sacrificed thanks to Strefan, Maurer Progenitor, Gorbag of Minas Morgul triggers

a token is created — 1,303 cards in Strefan's colors can cause this (Strefan is one).

1. Idol of Oblivion — When Strefan, Maurer Progenitor makes a Blood token, Idol of Oblivion draws you 1 card

1 other card cares about it too. These are the ones with the most connections.

an artifact enters the battlefield — 3,087 cards in Strefan's colors can cause this (Strefan is one).

When a Blood enters thanks to Strefan, Maurer Progenitor:

1. Underhanded Designs — makes each opponent lose 1 life
2. Hedron Detonator — deals 1 damage
3. Pactdoll Terror — makes each opponent lose 1 life
4. Machinesmith Automaton — puts a +1/+1 counter on itself
5. Oreplate Pangolin — puts a +1/+1 counter on itself
6. Arcbound Crusher — puts a +1/+1 counter on itself
7. Towashi Songshaper — gets +1/+0
8. Arcbound Condor — shrinks a creature by -1/-1
9. Glaze Fiend — gets +2/+2
10. Quicksmith Genius — draws and discards

18 other cards care about it too. These are the ones with the most connections.

anything attacks — 6,499 cards in Strefan's colors can cause this (Strefan is one).

When Strefan, Maurer Progenitor attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Grim Javelineer — gives +1/+0
3. ED-E, Lonesome Eyebot — puts a quest counter on itself
4. Inti, Seneschal of the Sun — triggers
5. Gut, True Soul Zealot — sacrifices a creature or artifact
6. Cool but Rude — draws and discards

36 other cards care about it too. These are the ones with the most connections.

a creature attacks — 6,499 cards in Strefan's colors can cause this (Strefan is one).

When Strefan, Maurer Progenitor attacks:

1. Adaptive Omnitool — searches a library
2. Anthem of Rakdos — gives +2/+0
3. Chorale of the Void — brings a card back
4. Saw — sacrifices a creature

95 other cards care about it too. These are the ones with the most connections.

a creature blocks — 6,499 cards in Strefan's colors can cause this (Strefan is one).

1. Tide of War — When Strefan, Maurer Progenitor blocks, Tide of War sacrifices a creature

11 other cards care about it too. These are the ones with the most connections.

a creature enters the battlefield — 7,209 cards in Strefan's colors can cause this (Strefan is one).

1. Enduring Courage — When a Vampire enters thanks to Strefan, Maurer Progenitor, Enduring Courage gives +2/+0
2. Slash, Reptile Rampager — When a Vampire enters thanks to Strefan, Maurer Progenitor, Slash, Reptile Rampager deals 2 damage
3. Gimli of the Glittering Caves — When Strefan, Maurer Progenitor enters, Gimli of the Glittering Caves puts counters on a permanent
4. Wingnut, Bat on the Belfry — When a Vampire enters thanks to Strefan, Maurer Progenitor, Wingnut, Bat on the Belfry grants flying, haste and menace
5. Raphael, Most Attitude — When a Vampire enters thanks to Strefan, Maurer Progenitor, Raphael, Most Attitude exiles a card from your library

118 other cards care about it too. These are the ones with the most connections.

anything enters the battlefield — 10,466 cards in Strefan's colors can cause this (Strefan is one).

1. Ivora, Insatiable Heir — When Ivora, Insatiable Heir enters thanks to Strefan, Maurer Progenitor, it makes a token

18 other cards care about it too. These are the ones with the most connections.