The Ur-Sphinx

hits creature — 1,188 cards in The Ur-Sphinx's colours can cause this (The Ur-Sphinx is one).

1. Jalira, Master Polymorphist — Jalira, Master Polymorphist can put The Ur-Sphinx onto the battlefield from your library
2. Polymorph — Polymorph can put The Ur-Sphinx onto the battlefield from your library
3. Proteus Staff — Proteus Staff can put The Ur-Sphinx onto the battlefield from your library
4. Synthetic Destiny — Synthetic Destiny can put The Ur-Sphinx onto the battlefield from your library
5. Mass Polymorph — Mass Polymorph can put The Ur-Sphinx onto the battlefield from your library

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

a Sphinx attacks — 117 cards in The Ur-Sphinx's colours can cause this.

1. Master of Winds — When Master of Winds attacks, The Ur-Sphinx mills a card
2. Defiler of Dreams — When Defiler of Dreams attacks, The Ur-Sphinx mills a card
3. Bloodline Pretender — When Bloodline Pretender attacks, The Ur-Sphinx mills a card
4. Sharding Sphinx — When Sharding Sphinx attacks, The Ur-Sphinx mills a card
5. Raffine, Scheming Seer — When Raffine, Scheming Seer attacks, The Ur-Sphinx mills a card
6. Windreader Sphinx — When Windreader Sphinx attacks, The Ur-Sphinx mills a card
7. Serum Sovereign — When Serum Sovereign attacks, The Ur-Sphinx mills a card
8. Barkform Harvester — When Barkform Harvester attacks, The Ur-Sphinx mills a card
9. Dream Trawler — When Dream Trawler attacks, The Ur-Sphinx mills a card
10. Consecrated Sphinx — When Consecrated Sphinx attacks, The Ur-Sphinx mills a card

107 other cards cause it too. These are the ones with the most connections.

a Sphinx enters the battlefield — 122 cards in The Ur-Sphinx's colours can cause this (The Ur-Sphinx is one).

1. Unesh, Criosphinx Sovereign — When The Ur-Sphinx enters, Unesh, Criosphinx Sovereign mills a card

a card is milled — 529 cards in The Ur-Sphinx's colours can cause this (The Ur-Sphinx is one).

1. Lo and Li, Royal Advisors — When The Ur-Sphinx makes a player mill a card, Lo and Li, Royal Advisors puts a counter on an Advisor

a card in a graveyard — 4,688 cards in The Ur-Sphinx's colours can cause this (The Ur-Sphinx is one).

1. Fire Nation Salvagers — The Ur-Sphinx puts cards into the graveyard that Fire Nation Salvagers can bring back
2. Gale, Waterdeep Prodigy — The Ur-Sphinx puts cards into the graveyard that Gale, Waterdeep Prodigy can bring back
3. Transplant Theorist — The Ur-Sphinx puts cards into the graveyard that Transplant Theorist can bring back
4. Heart-Shaped Herb — The Ur-Sphinx puts cards into the graveyard that Heart-Shaped Herb can bring back
5. Wayward Angel — The Ur-Sphinx fills your graveyard toward the 7 or more cards Wayward Angel needs
6. Rescue from the Underworld — The Ur-Sphinx puts cards into the graveyard that Rescue from the Underworld can bring back
7. Victimize — The Ur-Sphinx puts cards into the graveyard that Victimize can bring back
8. Enlightened Confidant — The Ur-Sphinx puts cards into the graveyard that Enlightened Confidant can bring back
9. Tergrid, God of Fright // Tergrid's Lantern — The Ur-Sphinx puts cards into the graveyard that Tergrid, God of Fright // Tergrid's Lantern can bring back
10. Sivriss, Nightmare Speaker — The Ur-Sphinx puts cards into the graveyard that Sivriss, Nightmare Speaker can bring back

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

anything goes to a graveyard — 4,688 cards in The Ur-Sphinx's colours can cause this (The Ur-Sphinx is one).

When a card hits the graveyard thanks to The Ur-Sphinx:

1. The Haunt of Hightower — puts a +1/+1 counter on itself
2. Duskmantle Guildmage — makes each opponent lose 1 life
3. Quest for Ancient Secrets — puts a quest counter on itself
4. Bloodchief Ascension — makes each opponent lose 2 life
5. Planar Void — hits a graveyard
6. Measure of Wickedness — gives an opponent control of itself
7. Energy Field — sacrifices itself

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

anything attacks — 9,614 cards in The Ur-Sphinx's colours can cause this (The Ur-Sphinx is one).

When The Ur-Sphinx attacks:

1. Temmet, Naktamun's Will — draws you 1 card
2. Grim Javelineer — gives +1/+0
3. ED-E, Lonesome Eyebot — puts a quest counter on itself
4. Surgical Suite // Hospital Room — puts a counter on a creature
5. Fire Navy Trebuchet — makes a token
6. Madame Web, Clairvoyant — mills a card
7. Apothecary White — makes a token
8. Clavileño, First of the Blessed — turns something into a creature
9. Guide of Souls — triggers
10. Gossip's Talent — triggers

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

a creature attacks — 9,614 cards in The Ur-Sphinx's colours can cause this (The Ur-Sphinx is one).

When The Ur-Sphinx attacks:

1. Adaptive Omnitool — searches a library
2. Kindred Discovery — draws you 1 card
3. Invasion of New Capenna // Holy Frazzle-Cannon — puts counters on a permanent
4. Chorale of the Void — brings a card back
5. Teo, Spirited Glider — draws you 1 card
6. Shadow Puppeteers — turns something into a creature
7. Screaming Swarm — mills a card
8. Saw — sacrifices a creature
9. Gisa's Favorite Shovel — makes an opponent sacrifice a creature
10. Ultima Weapon — kills a creature an opponent controls

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

a nontoken creature attacks — 9,614 cards in The Ur-Sphinx's colours can cause this (The Ur-Sphinx is one).

When The Ur-Sphinx attacks:

1. Basri Ket — makes that many tokens
2. Militia's Pride — makes a token

a creature is cast — 9,651 cards in The Ur-Sphinx's colours can cause this (The Ur-Sphinx is one).

When The Ur-Sphinx is cast:

1. Endrek Sahr, Master Breeder — makes that spell's mana value tokens
2. God-Eternal Oketra — makes a token
3. Oketra's Monument — makes a token
4. Skittering Horror — sacrifices itself
5. Skittering Skirge — sacrifices itself
6. Skittering Monstrosity — sacrifices itself
7. Oltec Matterweaver — triggers
8. Pure Reflection — kills a Reflection
9. Abigale, Poet Laureate // Heroic Stanza — becomes prepared
10. Flickering Hound — flickers a creature you control

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

a nontoken creature enters the battlefield — 9,991 cards in The Ur-Sphinx's colours can cause this (The Ur-Sphinx is one).

1. Angelic Sell-Sword — When The Ur-Sphinx enters, Angelic Sell-Sword makes a token

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

a creature enters the battlefield — 10,755 cards in The Ur-Sphinx's colours can cause this (The Ur-Sphinx is one).

When The Ur-Sphinx enters:

1. Ray Fillet, Wave Warrior — puts a counter on itself
2. Aetherstorm Roc — puts a counter on a permanent you control

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

anything enters the battlefield — 15,186 cards in The Ur-Sphinx's colours can cause this (The Ur-Sphinx is one).

1. Prowl, Stoic Strategist // Prowl, Pursuit Vehicle — When The Ur-Sphinx enters, Prowl, Stoic Strategist // Prowl, Pursuit Vehicle puts a +1/+1 counter on itself

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