Siren's Call 
Instant
$0.21 #21832 0.56 33.1 years
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.
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Nettling Imp94%
$0.37↑#244860.36↓33.1 years
"
: Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That creature attacks this turn if able. Destroy it at the beginning of the next end step if it didn't attack this turn. Activate only during an opponent's turn, before attackers are declared."
: Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That creature attacks this turn if able. Destroy it at the beginning of the next end step if it didn't attack this turn. Activate only during an opponent's turn, before attackers are declared."
Maddening Imp93%
$1.26↑#224220.35↓28.9 years↓
": Non-Wall creatures the active player controls attack this turn if able. At the beginning of the next end step, destroy each of those creatures that didn't attack this turn. Activate only during an opponent's turn and only before combat."
: Non-Wall creatures the active player controls attack this turn if able. At the beginning of the next end step, destroy each of those creatures that didn't attack this turn. Activate only during an opponent's turn and only before combat."
Norritt92%
$0.20↓#231270.4731.3 years↓
": Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That creature attacks this turn if able. Destroy it at the beginning of the next end step if it didn't attack this turn. Activate only before attackers are declared."
: Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That creature attacks this turn if able. Destroy it at the beginning of the next end step if it didn't attack this turn. Activate only before attackers are declared."
Arcum's Whistle87%
$0.23↑#27789↓0.00↓31.3 years↓
"
, : Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That player may pay 
, where X is that creature's 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."
, : Choose target non-Wall creature the active player has controlled continuously since the beginning of the turn. That player may pay , where X is that creature's 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."
Angler Turtle80%
$0.16↓#13768↑0.79↑7.8 years↓
"Creatures your opponents control attack each combat if able."
Taunt78%
$2.11↑#28947↓0.68↑29.3 years↓
"During target player's next turn, creatures that player controls attack you if able."
Oracle en-Vec77%
$0.61↑#240310.35↓28.9 years↓
": Target opponent chooses any number of creatures they control. During that player's next turn, the chosen creatures attack if able, and other creatures can't attack. At the beginning of that turn's end step, destroy each of the chosen creatures that didn't attack this turn. Activate only during your turn."
: Target opponent chooses any number of creatures they control. During that player's next turn, the chosen creatures attack if able, and other creatures can't attack. At the beginning of that turn's end step, destroy each of the chosen creatures that didn't attack this turn. Activate only during your turn."
Boiling Blood76%
$0.16↓#182250.5729.2 years↓
"Target creature attacks this turn if able."
Curse of the Nightly Hunt76%
$0.29↑#11739↑0.4814.9 years↓
"Creatures enchanted player controls attack each combat if able."
Alluring Siren76%
$0.09↓#201700.17↓17.1 years↓
": Target creature an opponent controls attacks you this turn if able."
: Target creature an opponent controls attacks you this turn if able."
Goblin Diplomats76%
$0.38↑#11406↑0.43↓13.1 years↓
": Each creature attacks this turn if able."
: Each creature attacks this turn if able."
Evil Eye of Orms-by-Gore76%
$0.07↓#11474↑0.4732.3 years
"Non-Eye creatures you control can't attack."
Into the Fray74%
$0.29↑#242600.06↓21.3 years↓
"Target creature attacks this turn if able."
Rock Basilisk74%
$0.63↑#31284↓0.00↓29.9 years↓
"Whenever this creature blocks or becomes blocked by a non-Wall creature, destroy that creature at end of combat."
Cockatrice73%
$0.33↑#26397↓0.00↓33.1 years
"Whenever this creature blocks or becomes blocked by a non-Wall creature, destroy that creature at end of combat."
Seeker of Slaanesh72%
$0.39↑#14340↑0.29↓3.9 years↓
"Each opponent must attack with at least one creature each combat if able."
Heckling Fiends72%
$0.12↓#27730↓0.43↓14.6 years↓
"
: Target creature attacks this turn if able."
: Target creature attacks this turn if able."
Glyph of Reincarnation72%
$0.50↑#31051↓0.72↑32.3 years
"Cast this spell only after combat."
+1 more matching line
Imps' Taunt72%
$0.17↓#27270↓0.19↓28.9 years↓
"Target creature attacks this turn if able."
Grand Melee72%
$1.41↑#14817↑0.6223.9 years↓
"All creatures attack each combat if able."