The only other card that approaches this level of oppression/aggravation is Dosan the Falling Leaf from Champions of Kamigawa, and this card is way stronger and even more annoying than that legendary creature
2021-03-19 You are never forced to activate mana abilities to pay costs, so if there is a mandatory additional mana cost (such as from Thalia, Guardian of Thraben), you can decline to activate mana abilities to pay for it and hence fail to cast the suspended card, leaving it in exile
You will absolutely elect to use the mode which lets you cast your other most relevant 2 or 3 drop
Nonetheless, getting enough Evasive cards in play can make Emerald/Ruby a winning combination
The special feature of this deck is the many cards which have effects that affect the cost such as, "Lower the cost of an opponent's Character", "K.O
The formats success has humble beginnings in its first preconstructed decks, which came out nearly 11 years ago