Mister Negative

a Villain enters the battlefield — 117 cards in Mister Negative's colors can cause this (Mister Negative is one).

When Mister Negative 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

life is gained — 1,347 cards in Mister Negative's colors can cause this (Mister Negative is one).

When Mister Negative gains life:

1. South Wind Avatar — makes each opponent lose 1 life
2. Rodolf Duskbringer — grants indestructible
3. Fiendish Panda — puts a +1/+1 counter on itself
4. Veinwitch Coven — brings a card back
5. Cleric Class — puts a counter on a creature
6. Lich's Mastery — draws you that many cards
7. Wall of Limbs — puts a +1/+1 counter on itself
8. MACH-1, Swooping Scoundrel — surveils
9. Ratchet, Field Medic // Ratchet, Rescue Racer — triggers
10. Amalia Benavides Aguirre — kills a creature

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

a card is drawn — 1,141 cards in Mister Negative's colors can cause this (Mister Negative is one).

When Mister Negative makes a player draw a card:

1. Starving Revenant — makes each opponent lose 1 life
2. Diviner's Wand — gets +1/+1
3. Psychosis Crawler — makes each opponent lose 1 life
4. Hoofprints of the Stag — puts a hoofprint counter on itself
5. Sheoldred, the Apocalypse — gains you 2 life
6. Fasting — triggers
7. Moonring Mirror — exiles a card from your library

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

a Human enters the battlefield — 1,907 cards in Mister Negative's colors can cause this (Mister Negative is one).

When Mister Negative enters:

1. General Kudro of Drannith — hits a graveyard
2. Thalia's Lieutenant — puts a +1/+1 counter on itself
3. Champion of the Parish — puts a +1/+1 counter on itself
4. Beregond of the Guard — gives +1/+1
5. Lossarnach Captain — taps a creature an opponent controls

a creature attacks — 6,543 cards in Mister Negative's colors can cause this (Mister Negative is one).

When Mister Negative attacks:

1. Adaptive Omnitool — searches a library
2. Invasion of New Capenna // Holy Frazzle-Cannon — puts counters on a permanent
3. Chorale of the Void — brings a card back
4. Staff of Titania — makes a token
5. Glory Bearers — gives +0/+1
6. Saw — sacrifices a creature
7. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
8. Ultima Weapon — kills a creature an opponent controls
9. Super-Soldier Serum — triggers
10. Throwing Knife — sacrifices itself

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

anything attacks — 6,543 cards in Mister Negative's colors can cause this (Mister Negative is one).

When Mister Negative attacks:

1. Grim Javelineer — gives +1/+0
2. ED-E, Lonesome Eyebot — puts a quest counter on itself
3. Surgical Suite // Hospital Room — puts a counter on a creature
4. Fire Navy Trebuchet — makes a token
5. Apothecary White — makes a token
6. Clavileño, First of the Blessed — turns something into a creature
7. Adeline, Resplendent Cathar — makes a token
8. Dalkovan Encampment — makes 2 tokens
9. Guide of Souls — triggers
10. Warren Warleader — triggers

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

a creature blocks — 6,543 cards in Mister Negative's colors can cause this (Mister Negative is one).

When Mister Negative blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Barrow-Blade — strips abilities
3. Noble Stand — gains you 2 life
4. Battle Cry — gives +0/+1
5. Dead-Iron Sledge — kills a creature

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

a nontoken creature attacks — 6,543 cards in Mister Negative's colors can cause this (Mister Negative is one).

When Mister Negative attacks:

1. Basri Ket — makes a token
2. Militia's Pride — makes a token

a creature deals combat damage — 6,543 cards in Mister Negative's colors can cause this (Mister Negative is one).

When Mister Negative deals combat damage:

1. Antagonist Incorporator — makes a token
2. Hive Mind Coprocessor — makes you lose life

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

a creature is cast — 6,565 cards in Mister Negative's colors can cause this (Mister Negative is one).

When Mister Negative is cast:

1. Endrek Sahr, Master Breeder — makes that spell's mana value tokens
2. Skittering Horror — sacrifices itself

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

a creature enters the battlefield — 7,459 cards in Mister Negative's colors can cause this (Mister Negative is one).

1. Aetherstorm Roc — When Mister Negative enters, Aetherstorm Roc puts a counter on a permanent you control

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

anything enters the battlefield — 10,830 cards in Mister Negative's colors can cause this (Mister Negative is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Mister Negative enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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