Doc Samson, Super Psychiatrist

a Gamma deals combat damage — 74 cards in the game can cause this (Doc Samson is one).

1. Abomination, Irradiated Brute — When Doc Samson, Super Psychiatrist deals combat damage, Abomination, Irradiated Brute puts that many +1/+1 counters on itself

a nontoken Hero enters the battlefield — 358 cards in the game can cause this (Doc Samson is one).

1. Black Panther, Vanguard — When Doc Samson, Super Psychiatrist enters, Black Panther, Vanguard triggers

a Hero enters the battlefield — 375 cards in the game can cause this (Doc Samson is one).

When Doc Samson, Super Psychiatrist enters:

1. Hawkeye, Trick Shot — deals damage
2. Captain America, Team Leader — grants haste and vigilance
3. Nighthawk, Dark Defender — gives +1/+1
4. Team Transmitter — gains you 1 life

an artifact it applies counter placement to — 4,531 cards in the game can cause this (Doc Samson is one).

Doc Samson, Super Psychiatrist gives:

1. Storm the Vault // Vault of Catlacan — its counter placement
2. Urabrask // The Great Work — its counter placement

4,529 other cards care about it too. These are the ones with the most connections.

anything attacks — 17,934 cards in the game can cause this (Doc Samson is one).

When Doc Samson, Super Psychiatrist attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Temmet, Naktamun's Will — draws you 1 card
3. Grim Javelineer — gives +1/+0
4. Invisible Woman — triggers
5. Caesar, Legion's Emperor — sacrifices a creature
6. Guide of Souls — triggers
7. Campsite Cuisine — sacrifices a Food
8. Gossip's Talent — triggers
9. Banon, the Returners' Leader — draws and discards
10. Toph, Earthbending Master — puts a counter on a permanent

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

a creature attacks — 17,934 cards in the game can cause this (Doc Samson is one).

When Doc Samson, Super Psychiatrist attacks:

1. Adaptive Omnitool — searches a library
2. Anthem of Rakdos — gives +2/+0
3. Kindred Discovery — draws you 1 card
4. Invasion of New Capenna // Holy Frazzle-Cannon — puts counters on a permanent
5. Chorale of the Void — brings a card back
6. Anim Pakal, Thousandth Moon — puts a +1/+1 counter on itself
7. Saw — sacrifices a creature
8. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
9. Ultima Weapon — kills a creature an opponent controls
10. Total War — kills a creature

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

a creature blocks — 17,934 cards in the game can cause this (Doc Samson is one).

When Doc Samson, Super Psychiatrist blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Carnage Gladiator — makes a player lose 1 life
3. Barrow-Blade — strips abilities
4. Heat of Battle — deals 1 damage
5. Battle Strain — deals 1 damage
6. Favor of the Woods — gains you 3 life
7. Tide of War — sacrifices a creature
8. Dead-Iron Sledge — kills a creature
9. Dwindle — kills a creature
10. Shield of the Righteous — triggers

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

a nontoken creature attacks — 17,934 cards in the game can cause this (Doc Samson is one).

When Doc Samson, Super Psychiatrist attacks:

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

a creature it applies counter placement to — 19,392 cards in the game can cause this (Doc Samson is one).

Doc Samson, Super Psychiatrist gives:

1. Extravagant Replication — its counter placement
2. Urza's Saga — its counter placement
3. Staff of Titania — its counter placement
4. The Rani — its counter placement
5. Dowsing Dagger // Lost Vale — its counter placement
6. Thopter Spy Network — its counter placement
7. Dovin, Grand Arbiter — its counter placement
8. Kaito, Dancing Shadow — its counter placement
9. Saheeli, Sublime Artificer — its counter placement
10. Metallurgic Summonings — its counter placement

19,381 other cards care about it too. These are the ones with the most connections.

a creature enters the battlefield — 19,800 cards in the game can cause this (Doc Samson is one).

When Doc Samson, Super Psychiatrist enters:

1. Slash, Reptile Rampager — deals 2 damage
2. Gimli of the Glittering Caves — puts counters on a permanent
3. Ray Fillet, Wave Warrior — puts a counter on itself
4. Legolas Greenleaf — puts a counter on a permanent
5. The Neutrinos — gets +1/+0
6. Wingnut, Bat on the Belfry — grants flying, haste and menace
7. Aetherstorm Roc — puts a counter on a permanent you control
8. Raphael, Most Attitude — exiles a card from your library

3,029 other cards care about it too. These are the ones with the most connections.

anything enters the battlefield — 26,499 cards in the game can cause this (Doc Samson is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Doc Samson, Super Psychiatrist enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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