Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Intruder Alarm

2U · Enchantment

Creatures don't untap during their controllers' untap steps. Whenever a creature enters the battlefield, untap all creatures.

Similar cards

Color identity:
NameManaTypeText
Summon the School 3WTribal Sorcery — Merfolk Create two 1/1 blue Merfolk Wizard creature tokens. Tap four untapped Merfolk you control: Return Summon the School from your graveyard to your hand.
Lotus Vale Land If Lotus Vale would enter the battlefield, sacrifice two untapped lands instead. If you do, put Lotus Vale onto the battlefield. If you don't, put it into its owner's graveyard. {T}: Add three mana of any one color.
Harness by Force 1RRSorcery Strive — This spell costs {2}{R} more to cast for each target beyond the first. Gain control of any number of target creatures until end of turn. Untap those creatures. They gain haste until end of turn.
Call for Aid 4RSorcery Gain control of all creatures target opponent controls until end of turn. Untap those creatures. They gain haste until end of turn. You can't attack that player this turn. You can't sacrifice those creatures this turn.
Coral Reef UUEnchantment Coral Reef enters the battlefield with four polyp counters on it. Sacrifice an Island: Put two polyp counters on Coral Reef. {U}, Tap an untapped blue creature you control, Remove a polyp counter from Coral Reef: Put a +0/+1 counter on target creature.
Sibling Rivalry 3RSorcery Gain control of target artifact or creature until end of turn. Untap it. It gains haste until end of turn. Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.")
Ronin Warclub 3Artifact — Equipment Equipped creature gets +2/+1. Whenever a creature enters the battlefield under your control, attach Ronin Warclub to that creature. Equip {5} ({5}: Attach to target creature you control. Equip only as a sorcery.)
Walking Skyscraper 8Artifact Creature — Construct This spell costs {1} less to cast for each modified creature you control. (Equipment, Auras you control, and counters are modifications.) Trample Walking Skyscraper has hexproof as long as it's untapped. (It can't be the target of spells or abilities your opponents control.) 8/8
Warlord's Elite 2WCreature — Human Soldier As an additional cost to cast this spell, tap two untapped artifacts, creatures, and/or lands you control. 4/4
Abduction 2UUEnchantment — Aura Enchant creature When Abduction enters the battlefield, untap enchanted creature. You control enchanted creature. When enchanted creature dies, return that card to the battlefield under its owner's control.
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