Casal, Lurkwood Pathfinder // Casal, Pathbreaker Owlbear

a Forest enters the battlefield — 85 cards in the game can cause this (Casal is one).

When a Forest enters thanks to Casal, Lurkwood Pathfinder // Casal, Pathbreaker Owlbear:

1. Titania, Nature's Force — makes a token
2. Baru, Fist of Krosa — gives +1/+1
3. Reach of Branches — returns itself from the graveyard
4. Tourach's Chant — deals 3 damage
5. Battlewand Oak — gets +2/+2
6. Staff of the Wild Magus — gains you 1 life
7. Necklace of Girion — puts a counter on a creature
8. Roiling Canopy — gives +3/+3

a land enters the battlefield — 1,560 cards in the game can cause this (Casal is one).

When a Forest enters thanks to Casal, Lurkwood Pathfinder // Casal, Pathbreaker Owlbear:

1. Primeval Bounty — gains you 3 life
2. Toph, Earthbending Master — puts a counter on a permanent
3. Dancing from Dark to Dawn — makes a token
4. Emeria Shepherd — brings a card back
5. Quest for the Necropolis — puts a quest counter on itself
6. Soul Stair Expedition — puts a quest counter on itself
7. Nissa of Shadowed Boughs — puts counters on a permanent
8. Thranduil, Sindarin Liege // Silvan Rally — makes a token
9. Silvan Reveler — returns itself from the graveyard
10. Floral Evoker — puts a +1/+1 counter on itself

199 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 (Casal is one).

When Casal, Lurkwood Pathfinder // Casal, Pathbreaker Owlbear 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. Three Dog, Galaxy News DJ — sacrifices an Aura

111 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 (Casal is one).

When Casal, Lurkwood Pathfinder // Casal, Pathbreaker Owlbear 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
7. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
8. Ultima Weapon — kills a creature an opponent controls
9. Path of Mettle // Metzali, Tower of Triumph — triggers
10. Total War — kills a creature

180 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 (Casal is one).

When Casal, Lurkwood Pathfinder // Casal, Pathbreaker Owlbear blocks:

1. Mage Hunters' Onslaught — makes a player lose 1 life
2. Carnage Gladiator — makes a player lose 1 life
3. Tide of War — sacrifices a creature
4. Dead-Iron Sledge — kills a creature
5. Dwindle — kills a creature

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

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

1. Primo, the Unbounded — When Casal, Lurkwood Pathfinder // Casal, Pathbreaker Owlbear deals combat damage, Primo, the Unbounded makes a token

196 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 (Casal is one).

1. Mardu Ascendancy — When Casal, Lurkwood Pathfinder // Casal, Pathbreaker Owlbear attacks, Mardu Ascendancy makes a token

2 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 (Casal is one).

When Casal, Lurkwood Pathfinder // Casal, Pathbreaker Owlbear enters:

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

303 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 (Casal is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When Casal, Lurkwood Pathfinder // Casal, Pathbreaker Owlbear enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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