M:tG card similarity search
1U · Legendary Enchantment Creature — Shrine
Flying At the beginning of your end step, you may pay {1}. When you do, target player mills X cards, where X is the number of Shrines you control. (To mill a card, a player puts the top card of their library into their graveyard.) 0/4
| Name | Mana | Type | Text | 
|---|---|---|---|
| The Archimandrite | 2URW | Legendary Creature — Human Advisor | At the beginning of your upkeep, you gain X life, where X is the number of cards in your hand minus 4. Whenever you gain life, each Advisor, Artificer, and Monk you control gains vigilance and gets +X/+0 until end of turn, where X is the amount of life you gained. Tap three untapped Advisors, Artificers, and/or Monks you control: Draw a card. 0/5 | 
| Commodore Guff | 1URW | Legendary Planeswalker — Guff | At the beginning of your end step, put a loyalty counter on another target planeswalker you control. [+1]: Create a 1/1 red Wizard creature token with "{T}: Add {R}. Spend this mana only to cast a planeswalker spell." [−3]: You draw X cards and Commodore Guff deals X damage to each opponent, where X is the number of planeswalkers you control. Commodore Guff can be your commander. Loyalty 5 | 
| Swallowing Plague | XBB | Sorcery — Arcane | Swallowing Plague deals X damage to target creature and you gain X life. | 
| Crypt Rats | 2B | Creature — Rat | {X}: Crypt Rats deals X damage to each creature and each player. Spend only black mana on X. 1/1 | 
| Havengul Laboratory | Legendary Land | {T}: Add {C}. {4}, {T}: Investigate. (Create a colorless Clue artifact token with "{2}, Sacrifice this artifact: Draw a card.") At the beginning of your end step, if you sacrificed three or more Clues this turn, transform Havengul Laboratory. | |
| Alquist Proft, Master Sleuth | 1WU | Legendary Creature — Human Detective | Vigilance When Alquist Proft, Master Sleuth enters the battlefield, investigate. (Create a Clue token. It's an artifact with "{2}, Sacrifice this artifact: Draw a card.") {X}{W}{U}{U}, {T}, Sacrifice a Clue: You draw X cards and gain X life. 3/3 | 
| Knowledge Is Power | 3WU | Enchantment | Creatures you control get +X/+X, where X is the number of cards you've drawn this turn. | 
| Skeletal Swarming | 3BG | Enchantment | Each Skeleton you control has trample, attacks each combat if able, and gets +X/+0, where X is the number of other Skeletons you control. At the beginning of your end step, create a tapped 1/1 black Skeleton creature token. If a creature died this turn, create two of those tokens instead. | 
| Full Flowering | XXG | Sorcery | Populate X times. (To populate, create a token that's a copy of a creature token you control. Do this X times.) | 
| Meishin, the Mind Cage | 4UUU | Legendary Enchantment | All creatures get -X/-0, where X is the number of cards in your hand. |