Pyknite

a card is drawn — 3,815 cards in the game can cause this (Pyknite is one).

When Pyknite makes a player draw a card:

1. Temmet, Naktamun's Will — gives +1/+1
2. Niv-Mizzet, Parun — deals 1 damage
3. Aether Syphon — mills a card
4. The Locust God — makes a token
5. Starving Revenant — makes each opponent lose 1 life
6. Diviner's Wand — gets +1/+1
7. Ominous Seas — puts a foreshadow counter on itself
8. Dream Trawler — gets +1/+0
9. Iron Man, Armored Avenger — puts a counter on a creature
10. The Astonishing Ant-Man — puts a +1/+1 counter on itself

57 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 (Pyknite is one).

When Pyknite attacks:

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

113 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 (Pyknite is one).

When Pyknite 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

181 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 (Pyknite is one).

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

18 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 (Pyknite is one).

When Pyknite attacks:

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

a creature deals combat damage — 17,934 cards in the game can cause this (Pyknite is one).

When Pyknite deals combat damage:

1. Locutus of Borg — makes a token
2. Antagonist Incorporator — makes a token

195 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 (Pyknite is one).

1. Slash, Reptile Rampager — When Pyknite enters, Slash, Reptile Rampager deals 2 damage
2. Ray Fillet, Wave Warrior — When Pyknite enters, Ray Fillet, Wave Warrior puts a counter on itself
3. Bess, Soul Nourisher — When Pyknite enters, Bess, Soul Nourisher puts a +1/+1 counter on itself
4. The Neutrinos — When Pyknite enters, The Neutrinos gets +1/+0
5. Wingnut, Bat on the Belfry — When Pyknite enters, Wingnut, Bat on the Belfry grants flying, haste and menace
6. Aetherstorm Roc — When Pyknite enters, Aetherstorm Roc puts a counter on a permanent you control
7. Raphael, Most Attitude — When Pyknite enters, Raphael, Most Attitude exiles a card from your library

301 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 (Pyknite is one).

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

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