Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Siren's Call

U · Instant

Cast this spell only during an opponent's turn, before attackers are declared. Creatures the active player controls attack this turn if able. At the beginning of the next end step, destroy all non-Wall creatures that player controls that didn't attack this turn. Ignore this effect for each creature the player didn't control continuously since the beginning of the turn.

Similar cards

Color identity:
NameManaTypeText
Harald Unites the Elves 2BGEnchantment — Saga (As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.) I — Mill three cards. You may put an Elf or Tyvar card from your graveyard onto the battlefield. II — Put a +1/+1 counter on each Elf you control. III — Whenever an Elf you control attacks this turn, target creature an opponent controls gets -1/-1 until end of turn.
Boiling Earth 1RSorcery Boiling Earth deals 1 damage to each creature your opponents control. Awaken 4—{6}{R} (If you cast this spell for {6}{R}, also put four +1/+1 counters on target land you control and it becomes a 0/0 Elemental creature with haste. It's still a land.)
Edifice of Authority 3Artifact {1}, {T}: Target creature can't attack this turn. Put a brick counter on Edifice of Authority. {1}, {T}: Until your next turn, target creature can't attack or block and its activated abilities can't be activated. Activate only if there are three or more brick counters on Edifice of Authority.
Instigator Gang 3RCreature — Human Werewolf Attacking creatures you control get +1/+0. At the beginning of each upkeep, if no spells were cast last turn, transform Instigator Gang. 2/3
Sandwurm Convergence 6GGEnchantment Creatures with flying can't attack you or planeswalkers you control. At the beginning of your end step, create a 5/5 green Wurm creature token.
Merrow Commerce 1UTribal Enchantment — Merfolk At the beginning of your end step, untap all Merfolk you control.
Sauron, the Necromancer 3BBLegendary Creature — Avatar Horror Menace Whenever Sauron, the Necromancer attacks, exile target creature card from your graveyard. Create a tapped and attacking token that's a copy of that card, except it's a 3/3 black Wraith with menace. At the beginning of the next end step, exile that token unless Sauron is your Ring-bearer. 4/4
Loathsome Catoblepas 5BCreature — Beast {2}{G}: Loathsome Catoblepas must be blocked this turn if able. When Loathsome Catoblepas dies, target creature an opponent controls gets -3/-3 until end of turn. 3/3
Watertrap Weaver 2UCreature — Merfolk Wizard When Watertrap Weaver enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step. 2/2
Septic Rats 1BBCreature — Phyrexian Rat Infect (This creature deals damage to creatures in the form of -1/-1 counters and to players in the form of poison counters.) Whenever Septic Rats attacks, if defending player is poisoned, it gets +1/+1 until end of turn. 2/2
Page 85