M:tG card similarity search
1U · Legendary Enchantment
When Proft's Eidetic Memory enters the battlefield, draw a card. You have no maximum hand size. At the beginning of combat on your turn, if you've drawn more than one card this turn, put X +1/+1 counters on target creature you control, where X is the number of cards you've drawn this turn minus one.
| Name | Mana | Type | Text | 
|---|---|---|---|
| Parting Thoughts | 2B | Sorcery | Destroy target creature. You draw X cards and you lose X life, where X is the number of counters on that creature. | 
| Academy Elite | 3U | Creature — Human Wizard | Academy Elite enters the battlefield with X +1/+1 counters on it, where X is the number of instant and sorcery cards in all graveyards. {2}{U}, Remove a +1/+1 counter from Academy Elite: Draw a card, then discard a card. 0/0 | 
| Undercity Upheaval | 1GG | Sorcery | Undergrowth — Distribute X +1/+1 counters among any number of target creatures you control, where X is the number of creature cards in your graveyard as you cast this spell. Creatures you control gain vigilance until end of turn. | 
| Altar of the Wretched | 2B | Artifact | When Altar of the Wretched enters the battlefield, you may sacrifice a nontoken creature. If you do, draw X cards, then mill X cards, where X is that creature's power. Craft with one or more creatures {2}{B}{B} {2}{B}: Return Altar of the Wretched from your graveyard to your hand. | 
| Ivory Tower | 1 | Artifact | At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4. | 
| Cascade Seer | 3U | Creature — Merfolk Wizard | When Cascade Seer enters the battlefield, scry X, where X is the number of creatures in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.) 3/3 | 
| Warped Physique | UB | Instant | Target creature gets +X/-X until end of turn, where X is the number of cards in your hand. | 
| Sanctum of Fruitful Harvest | 2G | Legendary Enchantment — Shrine | At the beginning of your precombat main phase, add X mana of any one color, where X is the number of Shrines you control. | 
| Cryptborn Horror | 1B/RB/R | Creature — Horror | Trample Cryptborn Horror enters the battlefield with X +1/+1 counters on it, where X is the total life lost by your opponents this turn. 0/0 | 
| Generous Patron | 2G | Creature — Elf Advisor | When Generous Patron enters the battlefield, support 2. (Put a +1/+1 counter on each of up to two other target creatures.) Whenever you put one or more counters on a creature you don't control, draw a card. 1/4 |