Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Arcum's Whistle

3 · Artifact

{3}, {T}: Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That player may pay {X}, where X is that mana value. If they don't pay, the creature attacks this turn if able, and at the beginning of the next end step, destroy it if it didn't attack this turn. Activate only before attackers are declared.

Similar cards

Color identity:
NameManaTypeText
Norwood Priestess 2GGCreature — Elf Druid {T}: You may put a green creature card from your hand onto the battlefield. Activate only during your turn, before attackers are declared. 1/1
Mindbreak Trap 2UUInstant — Trap If an opponent cast three or more spells this turn, you may pay {0} rather than pay this spell's mana cost. Exile any number of target spells.
Alliance of Arms WSorcery Join forces — Starting with you, each player may pay any amount of mana. Each player creates X 1/1 white Soldier creature tokens, where X is the total amount of mana paid this way.
Haazda Snare Squad 2WCreature — Human Soldier Whenever Haazda Snare Squad attacks, you may pay {W}. If you do, tap target creature an opponent controls. 1/4
Sole Performer 2GGCreature — Elf Performer {T}: Add {T}{T}. Activate only once each turn. (While activating an ability, use {T} rather than tapping the permanent to pay for {T}.) 2/2
Crossway Troublemakers 5BCreature — Vampire Attacking Vampires you control have deathtouch and lifelink. Whenever a Vampire you control dies, you may pay 2 life. If you do, draw a card. 5/5
Flooded Woodlands 2UBEnchantment Green creatures can't attack unless their controller sacrifices a land for each green creature they control that's attacking. (This cost is paid as attackers are declared.)
Targ Nar, Demon-Fang Gnoll RGLegendary Creature — Gnoll Pack tactics — Whenever Targ Nar, Demon-Fang Gnoll attacks, if you attacked with creatures with total power 6 or greater this combat, attacking creatures get +1/+0 until end of turn. {2}{R}{G}: Double Targ Nar's power and toughness until end of turn. 2/2
Quicksilver Elemental 3UUCreature — Elemental {U}: Quicksilver Elemental gains all activated abilities of target creature until end of turn. (If any of the abilities use that creature's name, use this creature's name instead.) You may spend blue mana as though it were mana of any color to pay the activation costs of Quicksilver Elemental's abilities. 3/4
Drought 2WWEnchantment At the beginning of your upkeep, sacrifice Drought unless you pay {W}{W}. Spells cost an additional "Sacrifice a Swamp" to cast for each black mana symbol in their mana costs. Activated abilities cost an additional "Sacrifice a Swamp" to activate for each black mana symbol in their activation costs.
Page 83