Duplicate Time

Conjure {4}(If 4 or more +1/+1 counters have been
put on 1 or more creatures or a player has gained 4 or
more life this turn, this spell costs {4} less to cast.)
Draw an additional card at the beginning of your
next draw step. During your next turn: you may
play an additional land; lands you control add 1 additional mana of any type they can produce;
double the power and toughness of creatures you control; and skip your subsequent turn.