Tal'darim Ascendant

Siphon—{b/r}: Target nonartifact, nonwall creature
you control gains +0/-X and Tal'darim
Ascendant gains +X/+0 until end of turn, where
X is equal to the targeted creature's toughness
minus one.
Mind Blast—{b/r}{b/r}{b/r}, {t}: Target player mills X
cards, where X is equal to Tal'darim Ascendant's
power.