Different types of sleeves are available
Mechtitan Core Yes, its a little clunky, requires jumping through a lot of hoops to activate, can often be seen coming from miles away and results in the mother of all blow outs if your opponent has any kind of Stifle effect
Other elf commanders have abilities that turn them into an engine , where they consistently provide value as you continue to take game actions
9 Worst: Just A Copy of Yu-Gi-Oh
Removal like Lightning Axe and Path to Exile, draw spells like Chart A Course, and cards that provide extra turns such as Temporal Tresspass are some of the best targets you can find
Teferi, Time Raveler is there as both a powerful card in its own right and a way to ensure that your blink tricks resolve unopposed