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 |
|---|---|---|---|
| Stumpsquall Hydra | XGGG | Creature — Hydra | When Stumpsquall Hydra enters the battlefield, distribute X +1/+1 counters among it and any number of commanders. 1/1 |
| Sludge Titan | 4B/GB/G | Creature — Zombie Giant | Trample Whenever Sludge Titan enters the battlefield or attacks, mill five cards. You may put a creature card and/or a land card from among them into your hand. 6/6 |
| The Cauldron of Eternity | 10BB | Legendary Artifact | This spell costs {2} less to cast for each creature card in your graveyard. Whenever a creature you control dies, put it on the bottom of its owner's library. {2}{B}, {T}, Pay 2 life: Return target creature card from your graveyard to the battlefield. Activate only as a sorcery. |
| Martyr of Sands | W | Creature — Human Cleric | {1}, Reveal X white cards from your hand, Sacrifice Martyr of Sands: You gain three times X life. 1/1 |
| Conduit of Ruin | 6 | Creature — Eldrazi | When you cast this spell, you may search your library for a colorless creature card with mana value 7 or greater, reveal it, then shuffle and put that card on top. The first creature spell you cast each turn costs {2} less to cast. 5/5 |
| Better Offer | XU | Sorcery | Put a random creature card with mana value X or less from target opponent's library onto the battlefield under your control. It perpetually has base power and toughness X/X and perpetually gains ward {1}. |
| Vengevine | 2GG | Creature — Elemental | Haste Whenever you cast a spell, if it's the second creature spell you cast this turn, you may return Vengevine from your graveyard to the battlefield. 4/3 |
| Blue Sun's Twilight | XUU | Sorcery | Gain control of target creature with mana value X or less. If X is 5 or more, create a token that's a copy of that creature. |
| Broken Dam | U | Sorcery | Tap one or two target creatures without horsemanship. |
| Headliner Scarlett | 3R | Legendary Creature — Human Warlock | Haste When Headliner Scarlett enters the battlefield, creatures target player controls can't block this turn. At the beginning of your upkeep, exile the top card of your library face down. You may look at and play that card this turn. 3/3 |