best self mill cards mtg I have a modern deck and i want to get fleet swallower More pro-self-mill cards with benefits?

Giving your opponents extra resources is just another tactical option Magic gives you, and you can construct win conditions to utilize it like any other

Just as a reminder, warp allows you to cast a creature for a reduced cost, but it then gets exiled at the end of the turn

Its actually better than Thoughtseize in that case, since you dont lose two life

The remaining four rare Pathways are being introduced in Kaldheim

No Trample, of course, but the fact that it persists beyond one turn is a major upside

This includes Enigma Thief, Notorious Throng and Knowledge Exploitation, plus a few others that don't quite make the jump to Commander