M:tG card similarity search
3 · Legendary Artifact
Whenever you cast a multicolored spell, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") {X}{X}{X}, {T}: Look at the top X cards of your library. Put up to two of them into your hand and the rest on the bottom of your library in a random order.
| Name | Mana | Type | Text |
|---|---|---|---|
| Innocuous Researcher | 3G | Creature — Centaur Detective | Parley — Whenever Innocuous Researcher attacks, each player reveals the top card of their library. For each nonland card revealed this way, you investigate. Then each player draws a card. At the beginning of your end step, you may untap all lands you control. If you do, you can't cast spells until your next turn. 3/4 |
| Penance | 2W | Enchantment | Put a card from your hand on top of your library: The next time a black or red source of your choice would deal damage this turn, prevent that damage. |
| Wall of Mourning | 1W | Creature — Wall | Defender When Wall of Mourning enters the battlefield, exile a card from the top of your library face down for each opponent you have. Coven — At the beginning of your end step, if you control three or more creatures with different powers, put a card exiled with Wall of Mourning into its owner's hand. 0/4 |
| Merrow Reejerey | 2U | Creature — Merfolk Soldier | Other Merfolk creatures you control get +1/+1. Whenever you cast a Merfolk spell, you may tap or untap target permanent. 2/2 |
| Petalmane Baku | 1G | Creature — Spirit | Whenever you cast a Spirit or Arcane spell, you may put a ki counter on Petalmane Baku. {1}, Remove X ki counters from Petalmane Baku: Add X mana of any one color. 1/2 |
| Curse of Shaken Faith | 1R | Enchantment — Aura Curse | Enchant player Whenever enchanted player casts a spell other than the first spell they cast each turn or copies a spell, Curse of Shaken Faith deals 2 damage to them. |
| Credit Voucher | 2 | Artifact | {2}, {T}, Sacrifice Credit Voucher: Shuffle any number of cards from your hand into your library, then draw that many cards. |
| Geralf, the Fleshwright | 2U | Legendary Creature — Human Warlock | Whenever you cast a spell during your turn other than your first spell that turn, create a 2/2 blue and black Zombie Rogue creature token. Whenever a Zombie enters the battlefield under your control, put a +1/+1 counter on it for each other Zombie that entered the battlefield under your control this turn. 2/3 |
| Glimpse the Sun God | XW | Instant | Tap X target creatures. Scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.) |
| In the Eye of Chaos | 2U | World Enchantment | Whenever a player casts an instant spell, counter it unless that player pays {X}, where X is its mana value. |