Casal, Lurkwood Pathfinder // Casal, Pathbreaker Owlbear

a Forest enters the battlefield — 39 cards in Casal's colors 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. Battlewand Oak — gets +2/+2
5. Staff of the Wild Magus — gains you 1 life
6. Necklace of Girion — puts a counter on a creature
7. Roiling Canopy — gives +3/+3

a land enters the battlefield — 669 cards in Casal's colors 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. Floral Evoker — puts a +1/+1 counter on itself
5. Mole Man, Moloid Master — makes a token
6. Return of the Mole Man — mills a card
7. Springheart Nantuko — makes a token
8. Sidequest: Raise a Chocobo // Black Chocobo — gives +1/+0
9. Icetill Explorer — mills a card
10. Nissa, Vastwood Seer // Nissa, Sage Animist — flickers itself

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

a creature attacks — 3,620 cards in Casal's colors can cause this (Casal is one).

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

1. Adaptive Omnitool — searches a library
2. Staff of Titania — makes a token
3. Fractal Harness — puts counters on a permanent
4. Inquisitorial Rosette — makes a token
5. Andúril, Flame of the West — makes 2 tokens
6. Moonsilver Spear — makes a token
7. Captain's Claws — makes a token
8. Saw — sacrifices a creature
9. Ultima Weapon — kills a creature an opponent controls
10. Throwing Knife — sacrifices itself

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

anything attacks — 3,620 cards in Casal's colors can cause this (Casal is one).

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

1. ED-E, Lonesome Eyebot — puts a quest counter on itself
2. Hazardroot Herbalist — gives +1/+0
3. Ranger Class — puts a counter on a creature
4. Dawnsire, Sunstar Dreadnought — deals 100 damage
5. Hunter's Talent — gives +1/+0
6. Family's Favor — puts a counter on a creature
7. Campsite Cuisine — sacrifices a Food
8. Twins of Discord — triggers
9. Cosmic Cube — triggers
10. Doom's Time Platform — exiles a card from your graveyard

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

a creature blocks — 3,620 cards in Casal's colors can cause this (Casal is one).

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

1. Barrow-Blade — strips abilities
2. Favor of the Woods — gains you 3 life
3. Gift of the Woods — gives +0/+3
4. Noxious Assault — puts a counter on a permanent
5. Ferocity — puts a counter on a permanent
6. Mammoth Harness — grants first strike
7. Dead-Iron Sledge — kills a creature

1 other card cares about it too. These are the ones with the most connections.

a creature is cast — 3,640 cards in Casal's colors can cause this (Casal is one).

When Casal, Lurkwood Pathfinder // Casal, Pathbreaker Owlbear is cast:

1. Summon: Fenrir — it arrives with counters thanks to Summon: Fenrir
2. Mona Lisa, Ever Adaptable — makes a token
3. Champions of the Perfect — draws you 1 card
4. Masked Admirers — returns itself from the graveyard
5. Primordial Sage — draws you 1 card
6. Oketra's Monument — makes a token
7. Beast Whisperer — draws you 1 card
8. Quirion Beastcaller — puts a +1/+1 counter on itself
9. Wildgrowth Archaic — it arrives with counters thanks to Wildgrowth Archaic
10. Silverback Elder — triggers

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

a nontoken creature enters the battlefield — 3,710 cards in Casal's colors can cause this (Casal is one).

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

1. Dual Nature — makes a token
2. Bramble Sovereign — makes a token
3. Soul of the Harvest — draws you 1 card
4. Surrak and Goreclaw — puts a counter on a permanent
5. Warden of the Grove — triggers

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

a creature enters the battlefield — 4,064 cards in Casal's colors can cause this (Casal is one).

1. Legolas Greenleaf — When Casal, Lurkwood Pathfinder // Casal, Pathbreaker Owlbear enters, Legolas Greenleaf puts a counter on a permanent

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