If your opponent wants to counter something on your turn, they must pay the spells cost plus three
2/2 Illustrated by Yeong-Hao Han
"Dash [cost]" means "You may cast this card by paying [cost] rather than its mana cost," "If this spell's dash cost was paid, return the permanent this spell becomes to its owner's hand at the beginning of the next end step," and "As long as this permanent's dash cost was paid, it has haste." If you choose to pay the dash cost rather than the mana cost, you're still casting the spell
[24] [27] [33] Tropical Island credited Mark Poole as the artist instead of Jesper Myrfors
Any enters-the-battlefield abilities of the copied permanent will trigger when Copy Land enters the battlefield
I suspect it will see play in the absence of other options, but players will probably not be excited by it, since there is a vast canyon between the power level of the two options