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
Mystic Sanctuary Land — Island ({T}: Add {U}.) Mystic Sanctuary enters the battlefield tapped unless you control three or more other Islands. When Mystic Sanctuary enters the battlefield untapped, you may put target instant or sorcery card from your graveyard on top of your library.
Samut, Voice of Dissent 3RGLegendary Creature — Human Warrior Flash Double strike, vigilance, haste Other creatures you control have haste. {W}, {T}: Untap another target creature. 3/4
Lattice-Blade Mantis 3GCreature — Phyrexian Insect Lattice-Blade Mantis enters the battlefield with two oil counters on it. Whenever Lattice-Blade Mantis attacks, you may remove an oil counter from it. If you do, untap it and it gets +1/+1 until end of turn. 4/3
Keeper of the Nine Gales 2UCreature — Bird Wizard Flying {T}, Tap two untapped Birds you control: Return target permanent to its owner's hand. 1/2
Sokenzan Plane — Kamigawa All creatures get +1/+1 and have haste. Whenever chaos ensues, untap all creatures that attacked this turn. If it's a main phase, there is an additional combat phase after this phase, followed by an additional main phase.
Thermo-Alchemist 1RCreature — Human Shaman Defender {T}: Thermo-Alchemist deals 1 damage to each opponent. Whenever you cast an instant or sorcery spell, untap Thermo-Alchemist. 0/3
Season of the Witch BBBEnchantment At the beginning of your upkeep, sacrifice Season of the Witch unless you pay 2 life. At the beginning of the end step, destroy all untapped creatures that didn't attack this turn, except for creatures that couldn't attack.
Gustcloak Cavalier 3WWCreature — Human Knight Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.) Whenever Gustcloak Cavalier attacks, you may tap target creature. Whenever Gustcloak Cavalier becomes blocked, you may untap Gustcloak Cavalier and remove it from combat. 2/2
Shared Discovery USorcery As an additional cost to cast this spell, tap four untapped creatures you control. Draw three cards.
Swooping Pteranodon 3RWCreature — Dinosaur Flying, haste Whenever Swooping Pteranodon or another Dinosaur with flying enters the battlefield under your control, gain control of target creature an opponent controls until end of turn. Untap that creature. It gains flying and haste until end of turn. At the beginning of the next end step, target land deals 3 damage to that creature. 3/3
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