Burn at the Stake {2}{R}{R}{R}
Sorcery
As an additional cost to cast this spell, tap any number of untapped creatures you control.
Burn at the Stake deals damage to any target equal to three times the number of creatures tapped this way.
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Explosive Singularity 96%
$0.55#9911
"As an additional cost to cast this spell, you may tap any number of untapped creatures you control. This spell costs {1} less to cast for each creature tapped this way."
+1 more matching line
Swallow Whole 87%
$0.24#19754
"As an additional cost to cast this spell, tap an untapped creature you control."
Shared Discovery 85%
$0.16#19163
"As an additional cost to cast this spell, tap four untapped creatures you control."
Devout Invocation 85%
$2.22#13871
"Tap any number of untapped creatures you control. Create a 4/4 white Angel creature token with flying for each creature tapped this way."
Masako the Humorless 81%
$27.73#11438
"Tapped creatures you control can block as though they were untapped."
Field Surgeon 80%
$0.22#26125
"Tap an untapped creature you control: Prevent the next 1 damage that would be dealt to target creature this turn."