Shared Discovery 
Sorcery
$0.15 #19433 0.00 16.5 years
As an additional cost to cast this spell, tap four untapped creatures you control.
Draw three cards.
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"As an additional cost to cast this spell, tap any number of untapped creatures you control."
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"Draw three cards."
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"As an additional cost to cast this spell, tap two untapped creatures and/or lands you control."
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Explosive Singularity81%
$0.48↑#10022↑0.40↑4.7 years↓
"As an additional cost to cast this spell, you may tap any number of untapped creatures you control. This spell costs 
less to cast for each creature tapped this way."
less to cast for each creature tapped this way."
Sphinx's Revelation81%
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