Taysir the Nomad

Taysir's power and toughness are equal to X,
where X is the number of Taysir you control.
Taysir and his activated ability costs {1} less
for each other colored Taysir in play.
{4},{t}: Shuffle X target permanents into their
owner's library. Each player discards a card then
draws a card. Add X {r}.
Partner with Taysirs of different colors.