Though this spell may demand a high mana cost, the astonishing value it provides is most often well worth it
This is where Myraid Landscape really shines, you pay a minimal initial mana cost and no card cost followed by a fair, instant and at your convenience cost to obtain your ramp
Knight of the White Orchid
This card is particularly effective against decks that heavily rely on blue creatures, as it can bounce them back to their owner's hands and prevent the opponent from casting more blue creatures
As they are obviously not nearly as powerful as a player, they are meant to represent mini-players, complete with their own life pool, a small set of spells and costs
In this situation, you absolutely want to trade off since you need to buy time to draw some lands