M:tG card similarity search
2R · Legendary Artifact
When Brass's Tunnel-Grinder enters the battlefield, discard any number of cards, then draw that many cards plus one. At the beginning of your end step, if you descended this turn, put a bore counter on Brass's Tunnel-Grinder. Then if there are three or more bore counters on it, remove those counters and transform it. (You descended if a permanent card was put into your graveyard from anywhere.)
| Name | Mana | Type | Text |
|---|---|---|---|
| Stag Beetle | 3GG | Creature — Insect | Stag Beetle enters the battlefield with X +1/+1 counters on it, where X is the number of other creatures on the battlefield. 0/0 |
| Memory Worm | 1R | Creature — Alien Worm | Paradox — Whenever you cast a spell from anywhere other than your hand, Memory Worm deals 2 damage to target player. That player discards a card, then draws a card. Put a +1/+1 counter on Memory Worm. 1/1 |
| Alert Heedbonder | 1G/WG/W | Creature — Human Scout | Vigilance At the beginning of your end step, you gain 1 life for each creature you control with vigilance. 2/4 |
| Scatter Arc | 3U | Instant | Counter target noncreature spell. Draw a card. |
| Sphere of Annihilation | XB | Artifact | Sphere of Annihilation enters the battlefield with X void counters on it. At the beginning of your upkeep, exile Sphere of Annihilation, all creatures and planeswalkers with mana value less than or equal to the number of void counters on it, and all creature and planeswalker cards in graveyards with mana value less than or equal to the number of void counters on it. |
| Underworld Breach | 1R | Enchantment | Each nonland card in your graveyard has escape. The escape cost is equal to the card's mana cost plus exile three other cards from your graveyard. (You may cast cards from your graveyard for their escape cost.) At the beginning of the end step, sacrifice Underworld Breach. |
| Deathbringer Thoctar | 4BR | Creature — Zombie Beast | Whenever another creature dies, you may put a +1/+1 counter on Deathbringer Thoctar. Remove a +1/+1 counter from Deathbringer Thoctar: It deals 1 damage to any target. 3/3 |
| Thirst for Meaning | 2U | Instant | Draw three cards. Then discard two cards unless you discard an enchantment card. |
| Ob Nixilis, Captive Kingpin | 2BR | Legendary Creature — Demon | Flying, trample Whenever one or more opponents each lose exactly 1 life, put a +1/+1 counter on Ob Nixilis, Captive Kingpin. Exile the top card of your library. Until your next end step, you may play that card. 4/3 |
| Casting of Bones | 2B | Enchantment — Aura | Enchant creature When enchanted creature dies, draw three cards, then discard one of them. |