Undercover Skrull

a Villain deals combat damage — 255 cards in the game can cause this (Undercover Skrull is one).

When Undercover Skrull deals combat damage:

1. Loki, the Deceiver — draws you 1 card
2. Stilt-Man, Towering Terror — triggers

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

a Villain enters the battlefield — 268 cards in the game can cause this (Undercover Skrull is one).

When Undercover Skrull enters:

1. Flying Octobot — puts a +1/+1 counter on itself
2. Doom Reigns Supreme — makes each opponent lose 1 life
3. Crossbones, Malicious Mercenary — puts a +1/+1 counter on itself
4. Yellowjacket, Heartless Marauder — gets +1/+0
5. Swordsman, Sharp Scoundrel — triggers
6. Prowler, Clawed Thief — draws and discards
7. Baron Strucker, HYDRA Overlord — draws and discards

a creature in a graveyard — 2,769 cards in the game can cause this (Undercover Skrull is one).

1. Rankle and Torbran — Rankle and Torbran fills your graveyard toward the 2 or more creature cards Undercover Skrull needs
2. Shriveling Rot — Shriveling Rot fills your graveyard toward the 2 or more creature cards Undercover Skrull needs
3. Ayara, First of Locthwain — Ayara, First of Locthwain fills your graveyard toward the 2 or more creature cards Undercover Skrull needs
4. Foot Chopper — Foot Chopper fills your graveyard toward the 2 or more creature cards Undercover Skrull needs
5. Blasting Station — Blasting Station fills your graveyard toward the 2 or more creature cards Undercover Skrull needs
6. Tainted Aether — Tainted Aether fills your graveyard toward the 2 or more creature cards Undercover Skrull needs
7. Lethal Vapors — Lethal Vapors fills your graveyard toward the 2 or more creature cards Undercover Skrull needs
8. Grave Peril — Grave Peril fills your graveyard toward the 2 or more creature cards Undercover Skrull needs
9. Spreading Plague — Spreading Plague fills your graveyard toward the 2 or more creature cards Undercover Skrull needs
10. Cryoshatter — Cryoshatter fills your graveyard toward the 2 or more creature cards Undercover Skrull needs

2,759 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 (Undercover Skrull is one).

When Undercover Skrull 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

489 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 (Undercover Skrull is one).

When Undercover Skrull 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

843 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 (Undercover Skrull is one).

When Undercover Skrull 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

131 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 (Undercover Skrull is one).

When Undercover Skrull 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 (Undercover Skrull is one).

When Undercover Skrull enters:

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

3,029 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 (Undercover Skrull is one).

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

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