mtg commander lands deck MARDU SAVAI Red/White/Black Builder Starter Pack Kit – CommanderComplete These Are The Best Lands

For example, if an effect copies a card in exile and allows you to cast the copy, casting that copy will cause Ghost-Spider's triggered ability to trigger

You could Warp it in early for a quick build-up, then make it stick later

thats all there is to itthough I suppose its good in general spellslinger strategies in the same way Opt is

It's kind of cheating to say this card is affordable since you never need just one

Heres a bit of a left field deck suggestion: Nine-Fingers Keene wants to get as many different Gates onto the battlefield as possible, so having an instant to assist in that mission will be a sneaky inclusion