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 |
|---|---|---|---|
| Disallow | 1UU | Instant | Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.) |
| Voidslime | GUU | Instant | Counter target spell, activated ability, or triggered ability. (Mana abilities can't be targeted.) |
| Brain Gorgers | 3B | Creature — Zombie | When you cast this spell, any player may sacrifice a creature. If a player does, counter Brain Gorgers. Madness {1}{B} (If you discard this card, discard it into exile. When you do, cast it for its madness cost or put it into your graveyard.) 4/2 |
| Justice | 2WW | Enchantment | At the beginning of your upkeep, sacrifice Justice unless you pay {W}{W}. Whenever a red creature or spell deals damage, Justice deals that much damage to that creature's or spell's controller. |
| Sen Triplets | 2WUB | Legendary Artifact Creature — Human Wizard | At the beginning of your upkeep, choose target opponent. This turn, that player can't cast spells or activate abilities and plays with their hand revealed. You may play lands and cast spells from that player's hand this turn. 3/3 |
| Shapeshifter | 6 | Artifact Creature — Shapeshifter | As Shapeshifter enters the battlefield, choose a number between 0 and 7. At the beginning of your upkeep, you may choose a number between 0 and 7. Shapeshifter's power is equal to the last chosen number and its toughness is equal to 7 minus that number. */7-* |
| Nether Spirit | 1BB | Creature — Spirit | At the beginning of your upkeep, if Nether Spirit is the only creature card in your graveyard, you may return Nether Spirit to the battlefield. 2/2 |
| Experiment One | G | Creature — Human Ooze | Evolve (Whenever a creature enters the battlefield under your control, if that creature has greater power or toughness than this creature, put a +1/+1 counter on this creature.) Remove two +1/+1 counters from Experiment One: Regenerate Experiment One. (The next time this creature would be destroyed, instead tap it, remove it from combat, and heal all damage on it.) 1/1 |
| Topdeck the Halls | 3RW | Enchantment | Decorated cards in your hand have miracle {S}. (Decorated cards include premiums, promos, and cards with alternate frames or art.) At the beginning of your upkeep, if you control twelve or more decorated permanents, you win the game. |
| Felidar Sovereign | 4WW | Creature — Cat Beast | Vigilance, lifelink At the beginning of your upkeep, if you have 40 or more life, you win the game. 4/6 |