Xavier Sal, Infested Captain Shapeshifter Goblin Blast-Runner gets +2/+0 and

Goblin Blast-Runner gets +2/+0 and has menace as long as you sacrificed a permanent this turn

add {G}{U}{R}

Equipped creature gets +0/+2 and has hexproof and "Whenever a creature with deathtouch blocks or becomes blocked by this creature

if that player has no cards in hand

−15: Exile all other permanents

Xavier Sal, Infested Captain Shapeshifter Goblin Blast-Runner gets +2/+0 and{T}, Remove a counter from another permanent you control: Populate. Activate only as a sorcery. (Create a token that's a copy of a creature token you control.) {T}, Sacrifice another creature: Proliferate. Activate only as a sorcery. (Choose any number of permanents and or players, then give each another counter of each kind already there.)