M:tG card similarity search
3 · Artifact
{T}: Add {C}. Put a point counter on Strixhaven Stadium. Whenever a creature deals combat damage to you, remove a point counter from Strixhaven Stadium. Whenever a creature you control deals combat damage to an opponent, put a point counter on Strixhaven Stadium. Then if it has ten or more point counters on it, remove them all and that player loses the game.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Ludevic's Test Subject | 1U | Creature — Lizard Egg | Defender {1}{U}: Put a hatchling counter on Ludevic's Test Subject. Then if there are five or more hatchling counters on it, remove all of them and transform it. 0/3 | 
| Lightning Reaver | 3BR | Creature — Zombie Beast | Haste; fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Whenever Lightning Reaver deals combat damage to a player, put a charge counter on it. At the beginning of your end step, Lightning Reaver deals damage equal to the number of charge counters on it to each opponent. 3/3 | 
| Bred for the Hunt | 1GU | Enchantment | Whenever a creature you control with a +1/+1 counter on it deals combat damage to a player, you may draw a card. | 
| City of Shadows | Land | {T}, Exile a creature you control: Put a storage counter on City of Shadows. {T}: Add {C} for each storage counter on City of Shadows. | |
| Iceberg | XUU | Enchantment | Iceberg enters the battlefield with X ice counters on it. {3}: Put an ice counter on Iceberg. Remove an ice counter from Iceberg: Add {C}. | 
| Worldslayer | 5 | Artifact — Equipment | Whenever equipped creature deals combat damage to a player, destroy all permanents other than Worldslayer. Equip {5} ({5}: Attach to target creature you control. Equip only as a sorcery.) | 
| Bloodletter Quill | 3 | Artifact | {2}, {T}, Put a blood counter on Bloodletter Quill: Draw a card, then you lose 1 life for each blood counter on Bloodletter Quill. {U}{B}: Remove a blood counter from Bloodletter Quill. | 
| Kediss, Emberclaw Familiar | 1R | Legendary Creature — Elemental Lizard | Whenever a commander you control deals combat damage to an opponent, it deals that much damage to each other opponent. Partner (You can have two commanders if both have partner.) 1/1 | 
| Vraska Joins Up | BG | Legendary Enchantment | When Vraska Joins Up enters the battlefield, put a deathtouch counter on each creature you control. Whenever a legendary creature you control deals combat damage to a player, draw a card. | 
| Heirs of Stromkirk | 2RR | Creature — Vampire | Intimidate (This creature can't be blocked except by artifact creatures and/or creatures that share a color with it.) Whenever Heirs of Stromkirk deals combat damage to a player, put a +1/+1 counter on it. 2/2 |