M:tG card similarity search
4BBB · Legendary Enchantment Creature — Horror
Arvinox, the Mind Flail isn't a creature unless you control three or more permanents you don't own. At the beginning of your end step, exile the bottom card of each opponent's library face down. For as long as those cards remain exiled, you may look at them, you may cast permanent spells from among them, and you may spend mana as though it were mana of any color to cast those spells. 9/9
| Name | Mana | Type | Text |
|---|---|---|---|
| Perception Bobblehead | 3 | Artifact — Bobblehead | {T}: Add one mana of any color. {3}, {T}: Look at the top X cards of your library, where X is the number of Bobbleheads you control. You may cast a spell with mana value 3 or less from among them without paying its mana cost. Put the rest on the bottom of your library in a random order. |
| Promise of Aclazotz | 1B | Enchantment | At the beginning of your end step, you may sacrifice a non-Demon creature. If you do, populate. (Create a token that's a copy of a creature token you control.) |
| Psychic Theft | 1U | Sorcery | Target player reveals their hand. You choose an instant or sorcery card from it and exile that card. You may cast that card for as long as it remains exiled. At the beginning of the next end step, if you haven't cast the card, return it to its owner's hand. |
| Geosurge | RRRR | Sorcery | Add {R}{R}{R}{R}{R}{R}{R}. Spend this mana only to cast artifact or creature spells. |
| Fierce Guardianship | 2U | Instant | If you control a commander, you may cast this spell without paying its mana cost. Counter target noncreature spell. |
| Pelargir Survivor | 1U | Creature — Human Peasant | {T}: Add one mana of any color. Spend this mana only to cast an instant or sorcery spell. {5}{U}, {T}: Target player mills three cards. (They put the top three cards of their library into their graveyard.) 1/3 |
| Duplicity | 3UU | Enchantment | When Duplicity enters the battlefield, exile the top five cards of your library face down. At the beginning of your upkeep, you may exile all cards from your hand face down. If you do, put all other cards you own exiled with Duplicity into your hand. At the beginning of your end step, discard a card. When you lose control of Duplicity, put all cards exiled with Duplicity into their owner's graveyard. |
| Agatha's Soul Cauldron | 2 | Legendary Artifact | You may spend mana as though it were mana of any color to activate abilities of creatures you control. Creatures you control with +1/+1 counters on them have all activated abilities of all creature cards exiled with Agatha's Soul Cauldron. {T}: Exile target card from a graveyard. When a creature card is exiled this way, put a +1/+1 counter on target creature you control. |
| Emergence Zone | Land | {T}: Add {C}. {1}, {T}, Sacrifice Emergence Zone: You may cast spells this turn as though they had flash. | |
| Niko Defies Destiny | 1WU | Enchantment — Saga | (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — You gain 2 life for each foretold card you own in exile. II — Add {W}{U}. Spend this mana only to foretell cards or cast spells that have foretell. III — Return target card with foretell from your graveyard to your hand. |