Creeping Trailblazer

an Elemental you control — 706 cards in the game can cause this.

1. Bloodline Pretender — While you control Bloodline Pretender, Creeping Trailblazer counts it and gets bigger
2. Gladewalker Ritualist — While you control Gladewalker Ritualist, Creeping Trailblazer counts it and gets bigger
3. Chandra's Spitfire — While you control Chandra's Spitfire, Creeping Trailblazer counts it and gets bigger

703 other cards use it too. These are the ones with the most connections.

an Elemental enters the battlefield — 754 cards in the game can cause this (Creeping Trailblazer is one).

When Creeping Trailblazer enters:

1. Champion of the Path — deals its power damage
2. Risen Reef — puts a land onto the battlefield

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

When Creeping Trailblazer 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

115 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 (Creeping Trailblazer is one).

When Creeping Trailblazer 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

202 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 (Creeping Trailblazer is one).

When Creeping Trailblazer blocks:

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

23 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 (Creeping Trailblazer is one).

When Creeping Trailblazer 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 (Creeping Trailblazer is one).

When Creeping Trailblazer deals combat damage:

1. Locutus of Borg — makes a token
2. Antagonist Incorporator — makes a token
3. Hive Mind Coprocessor — makes you lose life

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

a creature is cast — 18,010 cards in the game can cause this (Creeping Trailblazer is one).

When Creeping Trailblazer is cast:

1. Primeval Bounty — makes a token
2. Bloodbond March — brings a card back
3. Dancing from Dark to Dawn — puts that spell's mana value counters on a creature
4. Endrek Sahr, Master Breeder — makes that spell's mana value tokens
5. Summon: Fenrir — it arrives with counters thanks to Summon: Fenrir
6. Summon: Brynhildr — grants haste
7. Skittering Horror — sacrifices itself
8. Skittering Skirge — sacrifices itself
9. Skittering Monstrosity — sacrifices itself
10. Silverback Elder — triggers

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

a nontoken creature enters the battlefield — 18,448 cards in the game can cause this (Creeping Trailblazer is one).

When Creeping Trailblazer enters:

1. Riku of Two Reflections — makes a token
2. Samwise Gamgee — makes a token

31 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 (Creeping Trailblazer is one).

When Creeping Trailblazer enters:

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

426 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 (Creeping Trailblazer is one).

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

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