Obsidian Battle-Axe

a nontoken Equipment enters the battlefield — 649 cards in the game can cause this (Obsidian Battle-Axe is one).

1. Firion, Wild Rose Warrior — When Obsidian Battle-Axe enters, Firion, Wild Rose Warrior makes a token

an Equipment enters the battlefield — 658 cards in the game can cause this (Obsidian Battle-Axe is one).

When Obsidian Battle-Axe enters:

1. Puresteel Paladin — draws you 1 card
2. Sokka and Suki — makes a token
3. Barret, Avalanche Leader — makes a token
4. The Mighty Thor, Jane Foster — draws you 1 card
5. Giott, King of the Dwarves — draws and discards
6. Hammer of Nazahn — triggers
7. Sigarda's Aid — triggers

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

put a Warrior creature onto the battlefield — 1,401 cards in the game can cause this.

1. Oketra's Monument — When a Warrior enters thanks to Oketra's Monument, Obsidian Battle-Axe triggers
2. Inquisitorial Rosette — When a Warrior enters thanks to Inquisitorial Rosette, Obsidian Battle-Axe triggers
3. Sea Gate Colossus — When Sea Gate Colossus enters, Obsidian Battle-Axe triggers
4. Necron Monolith — When a Warrior enters thanks to Necron Monolith, Obsidian Battle-Axe triggers
5. Paragon of Modernity — When Paragon of Modernity enters, Obsidian Battle-Axe triggers
6. Stonework Packbeast — When Stonework Packbeast enters, Obsidian Battle-Axe triggers
7. Hollow Warrior — When Hollow Warrior enters, Obsidian Battle-Axe triggers
8. Night Scythe — When a Warrior enters thanks to Night Scythe, Obsidian Battle-Axe triggers
9. Thunderhawk Gunship — When a Warrior enters thanks to Thunderhawk Gunship, Obsidian Battle-Axe triggers
10. The Sword of Kahless — When a Warrior enters thanks to The Sword of Kahless, Obsidian Battle-Axe triggers

1,391 other cards cause it too. These are the ones with the most connections.

a Warrior enters the battlefield — 1,403 cards in the game can cause this (Obsidian Battle-Axe is one).

When Obsidian Battle-Axe enters:

1. Mardu Woe-Reaper — hits a graveyard
2. Thrasher Brute — makes each opponent lose 1 life
3. Decorated Champion — puts a +1/+1 counter on itself

an artifact is cast — 3,683 cards in the game can cause this (Obsidian Battle-Axe is one).

When Obsidian Battle-Axe is cast:

1. Mendicant Core, Guidelight — copies a spell
2. Sai, Master Thopterist — makes a token
3. Ravenous Robots — makes a token
4. Pinnacle Emissary — makes a token
5. Mirrodin Besieged — makes a token
6. Poetic Ingenuity — makes a token
7. Digsite Engineer — makes a token
8. Myrsmith — makes a token
9. Riddlesmith — draws you 1 card
10. Dr. Madison Li — puts a counter on a permanent you control

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

a nontoken artifact enters the battlefield — 3,768 cards in the game can cause this (Obsidian Battle-Axe is one).

When Obsidian Battle-Axe enters:

1. Ultron, Artificial Malevolence — makes a token
2. The Prydwen, Steel Flagship — makes a token
3. Conquest Mission — puts a quest counter on itself
4. Surge Conductor — proliferates
5. Replication Specialist — makes a token
6. Weapons Manufacturing — makes a token
7. Mirrorworks — makes a token

an artifact enters the battlefield — 4,643 cards in the game can cause this (Obsidian Battle-Axe is one).

When Obsidian Battle-Axe enters:

1. Transplant Theorist — draws you 1 card
2. Elvish Archivist — puts 2 +1/+1 counters on itself
3. Golbez, Crystal Collector — surveils
4. Sludge Strider — makes a player lose 1 life
5. Underhanded Designs — makes each opponent lose 1 life
6. Mechan Assembler — makes a token
7. Glassdust Hulk — gets +1/+1
8. Rook Turret — draws you 1 card
9. Hedron Detonator — deals 1 damage
10. Pactdoll Terror — makes each opponent lose 1 life

55 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 (Obsidian Battle-Axe is one).

When Obsidian Battle-Axe enters:

1. HYDRA Assault Robot — deals 1 damage
2. Era of Innovation — puts a counter on a permanent you control

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

anything is cast — 31,128 cards in the game can cause this (Obsidian Battle-Axe is one).

When Obsidian Battle-Axe is cast:

1. Sokka, Bold Boomeranger — puts a +1/+1 counter on itself
2. Saheeli, Radiant Creator — puts a counter on a permanent you control

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