Loyal Cathar // Unhallowed Cathar

a creature transforms — 105 cards in the game can cause this (Loyal Cathar is one).

1. Sygg, Wanderwine Wisdom // Sygg, Wanderbrine Shield — When Sygg, Wanderwine Wisdom // Sygg, Wanderbrine Shield transforms thanks to Loyal Cathar // Unhallowed Cathar, it grants a keyword
2. Alluring Suitor // Deadly Dancer — When Alluring Suitor // Deadly Dancer transforms thanks to Loyal Cathar // Unhallowed Cathar, it adds 2 mana
3. Neglected Heirloom // Ashmouth Blade — When Loyal Cathar // Unhallowed Cathar transforms, Neglected Heirloom // Ashmouth Blade triggers

a Soldier creature enters the battlefield — 1,279 cards in the game can cause this (Loyal Cathar is one).

1. Veteran's Armaments — When Loyal Cathar // Unhallowed Cathar enters, Veteran's Armaments triggers

a creature leaves a graveyard — 1,302 cards in the game can cause this (Loyal Cathar is one).

When Loyal Cathar // Unhallowed Cathar leaves a graveyard:

1. Grim Reaper's Scythe — makes a token
2. Syr Konrad, the Grim — deals 1 damage
3. Cyan, Vengeful Samurai — puts a +1/+1 counter on itself
4. Along the Crooked Way — puts a counter on a Goblin or Army
5. Skeleton Crew — makes a token
6. Desecrated Tomb — makes a token
7. Chalk Outline — makes a token
8. Insidious Roots — makes a token
9. Undead Hand Ninja — makes each opponent lose 1 life
10. Erebos's Titan — triggers

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

anything leaves a graveyard — 2,503 cards in the game can cause this (Loyal Cathar is one).

When Loyal Cathar // Unhallowed Cathar leaves a graveyard:

1. Blastoneuron — makes each opponent lose 1 life
2. Defiled Crypt // Cadaver Lab — makes a token
3. Teval, the Balanced Scale — makes a token
4. Hologram Stalker — makes a token
5. Tormod, the Desecrator — makes a token
6. Quintorius, Field Historian — makes a token
7. Garrison Excavator — makes a token
8. Amzu, Swarm's Hunger — makes a token
9. Kirol, History Buff // Pack a Punch — becomes prepared
10. Teval's Judgment — triggers

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

a Human enters the battlefield — 4,639 cards in the game can cause this (Loyal Cathar is one).

When Loyal Cathar // Unhallowed Cathar enters:

1. General Kudro of Drannith — hits a graveyard
2. Heronblade Elite — puts a +1/+1 counter on itself
3. Kyler, Sigardian Emissary — puts a +1/+1 counter on itself
4. Thalia's Lieutenant — puts a +1/+1 counter on itself
5. Champion of the Parish — puts a +1/+1 counter on itself
6. Captain of the Mists — untaps itself
7. Erkenbrand, Lord of Westfold — gives +1/+0
8. Beregond of the Guard — gives +1/+1
9. Théoden, King of Rohan — grants double strike
10. Lossarnach Captain — taps a creature an opponent controls

2 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 (Loyal Cathar is one).

When Loyal Cathar // Unhallowed Cathar 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

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 (Loyal Cathar is one).

When Loyal Cathar // Unhallowed Cathar 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. Saw — sacrifices a creature

186 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 (Loyal Cathar is one).

1. Tide of War — When Loyal Cathar // Unhallowed Cathar blocks, Tide of War sacrifices a creature

28 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 (Loyal Cathar is one).

1. Fire Nation Salvagers — When Fire Nation Salvagers enters thanks to Loyal Cathar // Unhallowed Cathar, it puts a counter on a creature or Vehicle
2. Goblin Goliath — When Goblin Goliath enters thanks to Loyal Cathar // Unhallowed Cathar, it makes a token
3. Slash, Reptile Rampager — When Loyal Cathar // Unhallowed Cathar enters, Slash, Reptile Rampager deals 2 damage
4. The Neutrinos — When Loyal Cathar // Unhallowed Cathar enters, The Neutrinos gets +1/+0
5. Wingnut, Bat on the Belfry — When Loyal Cathar // Unhallowed Cathar enters, Wingnut, Bat on the Belfry grants flying, haste and menace
6. Aetherstorm Roc — When Loyal Cathar // Unhallowed Cathar enters, Aetherstorm Roc puts a counter on a permanent you control
7. Raphael, Most Attitude — When Loyal Cathar // Unhallowed Cathar enters, Raphael, Most Attitude exiles a card from your library

306 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 (Loyal Cathar is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Loyal Cathar // Unhallowed Cathar enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself
2. Ivora, Insatiable Heir — When Ivora, Insatiable Heir enters thanks to Loyal Cathar // Unhallowed Cathar, it makes a token

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