6x4 card sleeves Uxcell Inch Invitation Envelopes, 50 Pcs Flat-Flap for Mailing, Rose Red business mailing Uxcell 6x4 Inch Invitation Envelopes,

But each of them is either much more costly than Time Walk or comes with a significant downside

Search for a Card Then Exile It Cards such as Bitter Ordeal , Praetors Grasp and Sadistic Sacrament are top notch as they let you search an opponents deck for any card/s and exile it/them without having to name the card/s beforehand

Theres a reason this creature is banned in so many formats: its too powerful

See the difference between parent and teacher accounts, above

At three mana, its a little tough to expect to trigger Compy Swarm the turn you cast it without having some ability to reliably bin your own creatures