Different Dimension Capsule

This card cannot be activated while a
"Different Dimension Capsule" is tapped on
the field.
{3}{t} You must use 3 mana of one color to
activate this effect. Exile 1 card from your deck
that is the same color as the mana used to
activate this effect. The turn after this effect is
activated, this card does not untap. When this
card untaps, add the card exiled by this effect
to your hand and destroy this card.