If you chose at least one target and all targets are illegal as the ability tries to resolve, the ability is removed from the stack and does nothing
Contents: 1 foil-etched Display Commander
Surtland Frostpyre
Samut, the Driving Force + Sprout Swarm Samut, the Driving Force requires you to reach max speed before it can make the buyback and convoke allow Sprout Swarms resulting creature token to pay for itself
You can build a finely tuned combo deck that wins on turn four with cold precision, or a Dragon kindred deck that spends six turns doing absolutely nothing and then suddenly blows out the entire table with an army of sky-lizards
It doesnt come up that often, but it does come up more often than using Arcane Denial on your own spellusing two cards to get three cards is trading a resource (cards) for the same resource (cards), which makes it not that exciting, while trading between resourcesfrom cards to mana, is more likely to get you something you need