M:tG card similarity search
3B · Creature — Elf Cleric
When Skemfar Shadowsage enters the battlefield, choose one — • Each opponent loses X life, where X is the greatest number of creatures you control that have a creature type in common. • You gain X life, where X is the greatest number of creatures you control that have a creature type in common. 2/5
| Name | Mana | Type | Text | 
|---|---|---|---|
| Sanctum of Calm Waters | 3U | Legendary Enchantment — Shrine | At the beginning of your precombat main phase, you may draw X cards, where X is the number of Shrines you control. If you do, discard a card. | 
| Jaws of Stone | 5R | Sorcery | Jaws of Stone deals X damage divided as you choose among any number of targets, where X is the number of Mountains you control as you cast this spell. | 
| Ambitious Dragonborn | 3G | Creature — Dragon Barbarian | Ambitious Dragonborn enters the battlefield with X +1/+1 counters on it, where X is the greatest power among creatures you control and creature cards in your graveyard. 0/0 | 
| Rot Hulk | 5BB | Creature — Zombie | Menace When Rot Hulk enters the battlefield, return up to X target Zombie cards from your graveyard to the battlefield, where X is the number of opponents you have. 5/5 | 
| Tomoya the Revealer | Legendary Creature — Human Wizard | {3}{U}{U}, {T}: Target player draws X cards, where X is the number of cards in your hand. 2/3 | |
| Keening Stone | 6 | Artifact | {5}, {T}: Target player mills X cards, where X is the number of cards in that player's graveyard. | 
| Well of Lost Dreams | 4 | Artifact | Whenever you gain life, you may pay {X}, where X is less than or equal to the amount of life you gained. If you do, draw X cards. | 
| Nylea's Intervention | XGG | Sorcery | Choose one — • Search your library for up to X land cards, reveal them, put them into your hand, then shuffle. • Nylea's Intervention deals twice X damage to each creature with flying. | 
| Riptide Replicator | X4 | Artifact | As Riptide Replicator enters the battlefield, choose a color and a creature type. Riptide Replicator enters the battlefield with X charge counters on it. {4}, {T}: Create an X/X creature token of the chosen color and type, where X is the number of charge counters on Riptide Replicator. | 
| The Rack | 1 | Artifact | As The Rack enters the battlefield, choose an opponent. At the beginning of the chosen player's upkeep, The Rack deals X damage to that player, where X is 3 minus the number of cards in their hand. |