Wild Draw 4

Draw 4 cards unless you are challenged

As this spell resolves an opponent may challenge this
spell's casting, when they do you reveal your hand,
if there is a card in your hand that is the same color
as a color of mana a land you control could produce
OR you control no lands that produce colored mana
you lose the challenge otherwise they lose the
challenge. The player who lost the challenge
skips there next turn and all other players
draw 4 cards