Didact Echo

a permanent in a graveyard — 173 cards in the game can cause this.

1. Pious Evangel // Wayward Disciple — Pious Evangel // Wayward Disciple fills your graveyard toward the 4 or more permanent cards Didact Echo needs
2. Lich — Lich fills your graveyard toward the 4 or more permanent cards Didact Echo needs
3. Stitcher's Graft — Stitcher's Graft fills your graveyard toward the 4 or more permanent cards Didact Echo needs
4. Worldslayer — Worldslayer fills your graveyard toward the 4 or more permanent cards Didact Echo needs
5. Aether Barrier — Aether Barrier fills your graveyard toward the 4 or more permanent cards Didact Echo needs
6. Lich's Tomb — Lich's Tomb fills your graveyard toward the 4 or more permanent cards Didact Echo needs
7. Behemoth of Vault 0 — Behemoth of Vault 0 fills your graveyard toward the 4 or more permanent cards Didact Echo needs
8. Crystalline Nautilus — Crystalline Nautilus fills your graveyard toward the 4 or more permanent cards Didact Echo needs
9. Mnemonic Sliver — Mnemonic Sliver fills your graveyard toward the 4 or more permanent cards Didact Echo needs
10. Ugin's Construct — Ugin's Construct fills your graveyard toward the 4 or more permanent cards Didact Echo needs
11. Wirefly Hive — Wirefly Hive fills your graveyard toward the 4 or more permanent cards Didact Echo needs
12. Barrin, Master Wizard — Barrin, Master Wizard fills your graveyard toward the 4 or more permanent cards Didact Echo needs
13. Giant's Boulder — Giant's Boulder fills your graveyard toward the 4 or more permanent cards Didact Echo needs

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

a Cleric enters the battlefield — 722 cards in the game can cause this (Didact Echo is one).

1. Cleric of Life's Bond — When Didact Echo enters, Cleric of Life's Bond gains you 1 life

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

a nontoken Spirit deals combat damage — 725 cards in the game can cause this (Didact Echo is one).

1. Millicent, Restless Revenant — When Didact Echo deals combat damage, Millicent, Restless Revenant makes a token

a nontoken Spirit enters the battlefield — 727 cards in the game can cause this (Didact Echo is one).

1. Baboon Spirit — When Didact Echo enters, Baboon Spirit makes a token

a Spirit enters the battlefield — 863 cards in the game can cause this (Didact Echo is one).

When Didact Echo enters:

1. Mausoleum Wanderer — gets +1/+1
2. Drogskol Cavalry — gains you 2 life
3. Vanguard of the Restless — returns itself from the graveyard
4. Nebelgast Herald — taps a creature an opponent controls

a card is drawn — 3,815 cards in the game can cause this (Didact Echo is one).

When Didact Echo makes a player draw a card:

1. Temmet, Naktamun's Will — gives +1/+1
2. Niv-Mizzet, Parun — deals 1 damage
3. Aether Syphon — mills a card
4. The Locust God — makes a token
5. Starving Revenant — makes each opponent lose 1 life
6. Diviner's Wand — gets +1/+1
7. Ominous Seas — puts a foreshadow counter on itself
8. Dream Trawler — gets +1/+0
9. Iron Man, Armored Avenger — puts a counter on a creature
10. The Astonishing Ant-Man — puts a +1/+1 counter on itself

57 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 (Didact Echo is one).

When Didact Echo attacks:

1. Far Fortune, End Boss — deals 1 damage
2. Grim Javelineer — gives +1/+0
3. Invisible Woman — triggers
4. Caesar, Legion's Emperor — sacrifices a creature
5. Guide of Souls — triggers
6. Campsite Cuisine — sacrifices a Food
7. Gossip's Talent — triggers
8. Banon, the Returners' Leader — draws and discards
9. Toph, Earthbending Master — puts a counter on a permanent
10. Three Dog, Galaxy News DJ — sacrifices an Aura

114 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 (Didact Echo is one).

When Didact Echo 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

183 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 (Didact Echo is one).

When Didact Echo 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

18 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 (Didact Echo is one).

When Didact Echo attacks:

1. Mardu Ascendancy — makes a token
2. Basri Ket — makes a token
3. Militia's Pride — makes a token

a creature enters the battlefield — 19,800 cards in the game can cause this (Didact Echo is one).

When Didact Echo 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

313 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 (Didact Echo is one).

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

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