M:tG card similarity search
3 · Artifact
Cryptolith Fragment enters the battlefield tapped. {T}: Add one mana of any color. Each player loses 1 life. At the beginning of your upkeep, if each player has 10 or less life, transform Cryptolith Fragment.
| Name | Mana | Type | Text |
|---|---|---|---|
| Winter's Night | RGW | World Enchantment | Whenever a player taps a snow land for mana, that player adds one mana of any type that land produced. That land doesn't untap during its controller's next untap step. |
| Thought-String Analyst | UB | Creature — Human Wizard | At the beginning of your upkeep, exile the top card of target opponent's library face down. You lose life equal to its mana value. You may look at and play that card for as long as it remains exiled, and mana of any type can be spent to cast that spell. 2/2 |
| Thrashing Mudspawn | 3BB | Creature — Beast | Whenever Thrashing Mudspawn is dealt damage, you lose that much life. Morph {1}{B}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) 4/4 |
| Ring of Valkas | 2 | Artifact — Equipment | Equipped creature has haste. (It can attack and {T} no matter when it came under your control.) At the beginning of your upkeep, put a +1/+1 counter on equipped creature if it's red. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.) |
| Invading Manticore | 5R | Creature — Zombie Manticore | When Invading Manticore enters the battlefield, amass Zombies 2. (Put two +1/+1 counters on an Army you control. It's also a Zombie. If you don't control an Army, create a 0/0 black Zombie Army creature token first.) 4/5 |
| The Core | Legendary Land | (Transforms from Matzalantli.) Fathomless descent — {T}: Add X mana of any one color, where X is the number of permanent cards in your graveyard. | |
| Touch of Death | 2B | Sorcery | Touch of Death deals 1 damage to target player or planeswalker. You gain 1 life. Draw a card at the beginning of the next turn's upkeep. |
| Whipstitched Zombie | 1B | Creature — Zombie | At the beginning of your upkeep, sacrifice Whipstitched Zombie unless you pay {B}. 2/2 |
| Artificer's Hex | B | Enchantment — Aura | Enchant Equipment At the beginning of your upkeep, if enchanted Equipment is attached to a creature, destroy that creature. |
| Keen Duelist | 1B | Creature — Human Wizard | At the beginning of your upkeep, you and target opponent each reveal the top card of your library. You each lose life equal to the mana value of the card revealed by the other player. You each put the card you revealed into your hand. 2/2 |