Adding creatures and instants that are able to blink allows very simple ETB retriggers, and with the commander, you can get a ton of extra retriggers of key abilities, such as drawing cards or creating various Tokens
Any no-added-cost ability which increases the number of treasures we make, or grants us extra benefits when theyre used is absolute top of the heap: adding free value to a transaction which, in most cases, we were already profiting from
Collection Manager With a smart and responsive user interface for adding cards, you can quickly create an Inventory , Tradelist and Wishlist
But if you are preparing for tournaments, upgrading a Commander deck or building a Standard list, singles are usually more efficient
Mega Hyper Rare with full-card etched gold foiling
If you do, you'll end your opponent's turn but also end yourself because you'll just die on your next end step (although the blind Glorious End into sure death is a great way of sending a message)