Thanon Twin-Cleave

Doublestrike
If a spell or ability, other than Thanon's, would
have you roll a die, copy that spell or ability.
You may choose new targets for the copy.
{2}{u}{r}{g}: Roll a D4. Creatures you control gain
+X/+0 until the end of turn, where X is the
result of the die roll. Use this ability only up to
twice per turn.