MACH-1, Swooping Scoundrel

you surveil — 77 cards in MACH-1's colors can cause this (MACH-1 is one).

When MACH-1, Swooping Scoundrel surveils:

1. Whispering Snitch — deals 1 damage
2. Blood Operative — makes you lose life
3. Planetarium of Wan Shi Tong — triggers

a Villain enters the battlefield — 99 cards in MACH-1's colors can cause this (MACH-1 is one).

When MACH-1, Swooping Scoundrel enters:

1. Doom Reigns Supreme — makes each opponent lose 1 life
2. Crossbones, Malicious Mercenary — puts a +1/+1 counter on itself
3. Yellowjacket, Heartless Marauder — gets +1/+0
4. Swordsman, Sharp Scoundrel — triggers
5. Baron Strucker, HYDRA Overlord — draws and discards

an artifact attacks — 774 cards in MACH-1's colors can cause this (MACH-1 is one).

1. Bio-Asset Allocator — When MACH-1, Swooping Scoundrel attacks, Bio-Asset Allocator makes each opponent lose 1 life

an artifact deals combat damage — 774 cards in MACH-1's colors can cause this (MACH-1 is one).

1. Hive Mind Coprocessor — When MACH-1, Swooping Scoundrel deals combat damage, Hive Mind Coprocessor makes you lose life

a nontoken artifact deals combat damage — 774 cards in MACH-1's colors can cause this (MACH-1 is one).

1. Virulent Silencer — When MACH-1, Swooping Scoundrel deals combat damage, Virulent Silencer puts 2 counters on a permanent

gain life — 642 cards in MACH-1's colors can cause this.

1. Massacre Girl, Most Wanted — When Massacre Girl, Most Wanted gains life, MACH-1, Swooping Scoundrel surveils
2. Ayara, First of Locthwain — When Ayara, First of Locthwain gains life, MACH-1, Swooping Scoundrel surveils
3. Angelheart Vial — When Angelheart Vial gains life, MACH-1, Swooping Scoundrel surveils
4. Sun Droplet — When Sun Droplet gains life, MACH-1, Swooping Scoundrel surveils
5. Trespasser's Curse — When Trespasser's Curse gains life, MACH-1, Swooping Scoundrel surveils
6. Sword of Light and Shadow — When Sword of Light and Shadow gains life, MACH-1, Swooping Scoundrel surveils
7. Elegy Acolyte — When Elegy Acolyte gains life, MACH-1, Swooping Scoundrel surveils
8. Hooded Blightfang — When Hooded Blightfang gains life, MACH-1, Swooping Scoundrel surveils
9. Tenured Inkcaster — When Tenured Inkcaster gains life, MACH-1, Swooping Scoundrel surveils
10. Defiling Daemogoth — When Defiling Daemogoth gains life, MACH-1, Swooping Scoundrel surveils

632 other cards cause it too. These are the ones with the most connections.

an artifact is cast — 2,470 cards in MACH-1's colors can cause this (MACH-1 is one).

When MACH-1, Swooping Scoundrel is cast:

1. Patchwork Automaton — puts a +1/+1 counter on itself
2. Golem Foundry — puts a charge counter on itself
3. Painsmith — gives +2/+0
4. Golem's Heart — gains you 1 life
5. Urza's Chalice — gains you 1 life
6. Solar Array — grants sunburst
7. Traxos, Scourge Eternal — untaps itself
8. Lux Artillery — grants sunburst
9. Defiler of Flesh — gives +1/+1
10. Biotransference — makes you lose life

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

a nontoken artifact enters the battlefield — 2,473 cards in MACH-1's colors can cause this (MACH-1 is one).

When MACH-1, Swooping Scoundrel enters:

1. Ultron, Artificial Malevolence — makes a token
2. Surge Conductor — proliferates
3. Mirrorworks — makes a token

an artifact enters the battlefield — 2,613 cards in MACH-1's colors can cause this (MACH-1 is one).

When MACH-1, Swooping Scoundrel enters:

1. Underhanded Designs — makes each opponent lose 1 life
2. Pactdoll Terror — makes each opponent lose 1 life
3. Arcbound Crusher — puts a +1/+1 counter on itself
4. Arcbound Condor — shrinks a creature by -1/-1
5. Glaze Fiend — gets +2/+2
6. Battered Golem — untaps itself
7. Skorpekh Destroyer — grants first strike
8. Grinding Station — untaps itself
9. Ovalchase Daredevil — returns itself from the graveyard
10. Vermiculos — gets +4/+4

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

a card in a graveyard — 2,555 cards in MACH-1's colors can cause this (MACH-1 is one).

MACH-1, Swooping Scoundrel:

1. Vessel of Endless Rest — puts cards into the graveyard that Vessel of Endless Rest can bring back
2. Heart-Shaped Herb — puts cards into the graveyard that Heart-Shaped Herb can bring back
3. Rescue from the Underworld — puts cards into the graveyard that Rescue from the Underworld can bring back
4. Victimize — puts cards into the graveyard that Victimize can bring back
5. Tergrid, God of Fright // Tergrid's Lantern — puts cards into the graveyard that Tergrid, God of Fright // Tergrid's Lantern can bring back
6. Sivriss, Nightmare Speaker — puts cards into the graveyard that Sivriss, Nightmare Speaker can bring back
7. Repentant Vampire — fills your graveyard toward the 7 or more cards Repentant Vampire needs
8. Treacherous Vampire — fills your graveyard toward the 7 or more cards Treacherous Vampire needs
9. Xiahou Dun, the One-Eyed — puts cards into the graveyard that Xiahou Dun, the One-Eyed can bring back
10. Loot, the Anomaly — fills your graveyard toward the 7 or more cards Loot, the Anomaly needs

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

anything goes to a graveyard — 2,555 cards in MACH-1's colors can cause this (MACH-1 is one).

When a card hits the graveyard thanks to MACH-1, Swooping Scoundrel:

1. Planar Void — hits a graveyard
2. Measure of Wickedness — gives an opponent control of itself

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

a creature attacks — 3,478 cards in MACH-1's colors can cause this (MACH-1 is one).

When MACH-1, Swooping Scoundrel attacks:

1. Adaptive Omnitool — searches a library
2. Chorale of the Void — brings a card back
3. Staff of Titania — makes a token
4. Saw — sacrifices a creature
5. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
6. Ultima Weapon — kills a creature an opponent controls
7. Throwing Knife — sacrifices itself

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

anything attacks — 3,478 cards in MACH-1's colors can cause this (MACH-1 is one).

When MACH-1, Swooping Scoundrel attacks:

1. Grim Javelineer — gives +1/+0
2. ED-E, Lonesome Eyebot — puts a quest counter on itself
3. Fire Navy Trebuchet — makes a token
4. Stensian Sanguinist // Exsanguinate — grants deathtouch
5. Rev, Tithe Extractor — grants deathtouch

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

a creature blocks — 3,478 cards in MACH-1's colors can cause this (MACH-1 is one).

When MACH-1, Swooping Scoundrel blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Dead-Iron Sledge — kills a creature

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