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 |
|---|---|---|---|
| Powder Keg | 2 | Artifact | At the beginning of your upkeep, you may put a fuse counter on Powder Keg. {T}, Sacrifice Powder Keg: Destroy each artifact and creature with mana value equal to the number of fuse counters on Powder Keg. |
| Lavabrink Floodgates | 3R | Artifact | {T}: Add {R}{R}. At the beginning of each player's upkeep, that player may put a doom counter on Lavabrink Floodgates or remove a doom counter from it. Then if it has three or more doom counters on it, sacrifice Lavabrink Floodgates. When you do, it deals 6 damage to each creature. |
| Thorn Thallid | 1GG | Creature — Fungus | At the beginning of your upkeep, put a spore counter on Thorn Thallid. Remove three spore counters from Thorn Thallid: It deals 1 damage to any target. 2/2 |
| Legacy's Allure | UU | Enchantment | At the beginning of your upkeep, you may put a treasure counter on Legacy's Allure. Sacrifice Legacy's Allure: Gain control of target creature with power less than or equal to the number of treasure counters on Legacy's Allure. (This effect lasts indefinitely.) |
| Magmasaur | 3RR | Creature — Elemental Dinosaur | Magmasaur enters the battlefield with five +1/+1 counters on it. At the beginning of your upkeep, you may remove a +1/+1 counter from Magmasaur. If you don't, sacrifice Magmasaur and it deals damage equal to the number of +1/+1 counters on it to each creature without flying and each player. 0/0 |
| Karma | 2WW | Enchantment | At the beginning of each player's upkeep, Karma deals damage to that player equal to the number of Swamps they control. |
| Lightning Reaver | 3BR | Creature — Zombie Beast | Haste; fear (This creature can't be blocked except by artifact creatures and/or black creatures.) Whenever Lightning Reaver deals combat damage to a player, put a charge counter on it. At the beginning of your end step, Lightning Reaver deals damage equal to the number of charge counters on it to each opponent. 3/3 |
| Private Research | U | Enchantment — Aura | Enchant creature At the beginning of your upkeep, you may put a page counter on Private Research. When enchanted creature dies, draw a card for each page counter on Private Research. |
| Momentum | 2G | Enchantment — Aura | Enchant creature At the beginning of your upkeep, you may put a growth counter on Momentum. Enchanted creature gets +1/+1 for each growth counter on Momentum. |
| Icatian Moneychanger | W | Creature — Human | Icatian Moneychanger enters the battlefield with three credit counters on it. When Icatian Moneychanger enters the battlefield, it deals 3 damage to you. At the beginning of your upkeep, put a credit counter on Icatian Moneychanger. Sacrifice Icatian Moneychanger: You gain 1 life for each credit counter on Icatian Moneychanger. Activate only during your upkeep. 0/2 |