M:tG card similarity search
3UU · Creature — Human Rogue Mutant
When Keeper of Keys enters the battlefield, you become the monarch. At the beginning of your upkeep, if you're the monarch, creatures you control can't be blocked this turn. 4/4
| Name | Mana | Type | Text |
|---|---|---|---|
| Hydra's Growth | 2G | Enchantment — Aura | Enchant creature When Hydra's Growth enters the battlefield, put a +1/+1 counter on enchanted creature. At the beginning of your upkeep, double the number of +1/+1 counters on enchanted creature. |
| Shrill Howler | 2G | Creature — Werewolf Horror | Creatures with power less than Shrill Howler's power can't block it. {5}{G}: Transform Shrill Howler. 3/1 |
| Manacles of Decay | 1W | Enchantment — Aura | Enchant creature Enchanted creature can't attack. {B}: Enchanted creature gets -1/-1 until end of turn. {R}: Enchanted creature can't block this turn. |
| Staff of Nin | 6 | Artifact | At the beginning of your upkeep, draw a card. {T}: Staff of Nin deals 1 damage to any target. |
| Stagecoach Security | 4W | Creature — Human Soldier | When Stagecoach Security enters the battlefield, creatures you control get +1/+1 and gain vigilance until end of turn. Plot {3}{W} (You may pay {3}{W} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.) 4/5 |
| Space Beleren | 2WU | Legendary Planeswalker — Jace | Space sculptor (Space Beleren divides the battlefield into alpha, beta, and gamma sectors. If a creature isn't assigned to a sector, its controller assigns it to one. Opponents assign first.) [+1]: Creatures in each sector can be blocked this turn only by creatures in the same sector. [−1]: Put a +1/+1 counter on each creature in the sector of your choice. [−5]: Destroy all creatures in the sector of your choice. Loyalty 3 |
| Kellan Joins Up | GWU | Legendary Enchantment | When Kellan Joins Up enters the battlefield, you may exile a nonland card with mana value 3 or less from your hand. If you do, it becomes plotted. (You may cast it as a sorcery on a later turn without paying its mana cost.) Whenever a legendary creature enters the battlefield under your control, put a +1/+1 counter on each creature you control. |
| River Serpent | 5U | Creature — Serpent | River Serpent can't attack unless there are five or more cards in your graveyard. Cycling {U} ({U}, Discard this card: Draw a card.) 5/5 |
| Gideon of the Trials | 1WW | Legendary Planeswalker — Gideon | [+1]: Until your next turn, prevent all damage target permanent would deal. [0]: Until end of turn, Gideon of the Trials becomes a 4/4 Human Soldier creature with indestructible that's still a planeswalker. Prevent all damage that would be dealt to him this turn. [0]: You get an emblem with "As long as you control a Gideon planeswalker, you can't lose the game and your opponents can't win the game." Loyalty 3 |
| Sontaran General | 4R | Creature — Alien Soldier | Trample, haste Battalion — Whenever Sontaran General and at least two other creatures attack, for each opponent, goad up to one target creature that player controls. Those creatures can't block this turn. (Until your next turn, they attack each combat if able and attack a player other than you if able.) 5/5 |