Valor

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

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

489 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 (Valor is one).

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

843 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 (Valor is one).

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

131 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 (Valor is one).

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

a creature it grants abilities to — 19,392 cards in the game can cause this (Valor is one).

1. Pollywog Prodigy — Valor gives Pollywog Prodigy first strike
2. Havengul Lich — Valor gives Havengul Lich first strike
3. Saheeli, Radiant Creator — Valor gives Saheeli, Radiant Creator first strike
4. Captain Jean-Luc Picard — Valor gives Captain Jean-Luc Picard first strike
5. Windrider Wizard — Valor gives Windrider Wizard first strike
6. Master of Winds — Valor gives Master of Winds first strike
7. Sokka, Bold Boomeranger — Valor gives Sokka, Bold Boomeranger first strike
8. Rockslide Sorcerer — Valor gives Rockslide Sorcerer first strike
9. Umara Wizard // Umara Skyfalls — Valor gives Umara Wizard // Umara Skyfalls first strike
10. Alania, Divergent Storm — Valor gives Alania, Divergent Storm first strike

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 (Valor is one).

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

3,030 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 (Valor is one).

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

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