Keldon Megaliths

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

When Keldon Megaliths enters:

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 deals noncombat damage — 3,068 cards in the game can cause this (Keldon Megaliths is one).

When Keldon Megaliths deals noncombat damage:

1. Quest for Pure Flame — puts a quest counter on itself
2. Soul-Scar Mage — puts that many counters on a permanent
3. Fear of Burning Alive — deals that amount damage
4. Niv-Mizzet, Visionary — draws you that many cards
5. Ghyrson Starn, Kelermorph — deals 2 damage
6. Chandra's Incinerator — deals that much damage
7. Chandra's Pyreling — gets +1/+0
8. Talon of Pain — puts a charge counter on itself
9. Thor, Guardian of Midgard — exiles a card from your library
10. Virtue of Courage // Embereth Blaze — exiles a card from your library

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

life is lost — 3,160 cards in the game can cause this (Keldon Megaliths is one).

When Keldon Megaliths makes a player lose life:

1. Far Fortune, End Boss — raises your speed
2. Zahur, Glory's Past — raises your speed
3. Mendicant Core, Guidelight — raises your speed
4. Aether Syphon — raises your speed
5. Vnwxt, Verbose Host — raises your speed
6. Embalmed Ascendant — raises your speed
7. Slick Imitator — raises your speed
8. Oath of Lim-Dûl — sacrifices an enchantment
9. Marina Vendrell's Grimoire — triggers
10. Lich's Mastery — triggers

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

anything is dealt damage — 19,812 cards in the game can cause this (Keldon Megaliths is one).

When Keldon Megaliths is dealt damage:

1. Massacre Girl, Most Wanted — puts a +1/+1 counter on itself
2. War Elemental — puts that many +1/+1 counters on itself
3. Darien, King of Kjeldor — makes that many tokens
4. Blood Hound — puts that many +1/+1 counters on itself
5. Chandra's Spitfire — gets +3/+0
6. Wildfire Elemental — gives +1/+0
7. Master of Barbs — gives +1/+0
8. Swarmborn Giant — sacrifices itself
9. Risona, Asari Commander — triggers
10. Azor's Elocutors — triggers

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