M:tG card similarity search
6 · Artifact
At the beginning of your upkeep, put a doom counter on Armageddon Clock. At the beginning of your draw step, Armageddon Clock deals damage equal to the number of doom counters on it to each player. {4}: Remove a doom counter from Armageddon Clock. Any player may activate this ability but only during any upkeep step.
| Name | Mana | Type | Text |
|---|---|---|---|
| Mana Vault | 1 | Artifact | Mana Vault doesn't untap during your untap step. At the beginning of your upkeep, you may pay {4}. If you do, untap Mana Vault. At the beginning of your draw step, if Mana Vault is tapped, it deals 1 damage to you. {T}: Add {C}{C}{C}. |
| Braided Net | 2U | Artifact | Braided Net enters the battlefield with three net counters on it. {T}, Remove a net counter from Braided Net: Tap another target nonland permanent. Its activated abilities can't be activated for as long as it remains tapped. Craft with artifact {1}{U} |
| Revered Unicorn | 1W | Creature — Unicorn | Cumulative upkeep {1} (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) When Revered Unicorn leaves the battlefield, you gain life equal to the number of age counters on it. 2/3 |
| Bloodthirsty Ogre | 2B | Creature — Ogre Warrior Shaman | {T}: Put a devotion counter on Bloodthirsty Ogre. {T}: Target creature gets -X/-X until end of turn, where X is the number of devotion counters on Bloodthirsty Ogre. Activate only if you control a Demon. 3/1 |
| Rivalry | 2R | Enchantment | At the beginning of each player's upkeep, if that player controls more lands than each other player, Rivalry deals 2 damage to them. |
| Grindclock | 2 | Artifact | {T}: Put a charge counter on Grindclock. {T}: Target player mills X cards, where X is the number of charge counters on Grindclock. |
| Netherborn Altar | 1B | Artifact | {T}, Put a soul counter on Netherborn Altar: Put your commander into your hand from the command zone. Then you lose 3 life for each soul counter on Netherborn Altar. |
| Treacherous Terrain | 6RG | Sorcery | Treacherous Terrain deals damage to each opponent equal to the number of lands that player controls. Basic landcycling {2} ({2}, Discard this card: Search your library for a basic land card, reveal it, put it into your hand, then shuffle.) |
| Axis of Mortality | 4WW | Enchantment | At the beginning of your upkeep, you may have two target players exchange life totals. |
| Elkin Lair | 3R | World Enchantment | At the beginning of each player's upkeep, that player exiles a card at random from their hand. The player may play that card this turn. At the beginning of the next end step, if the player hasn't played the card, they put it into their graveyard. |