Tanjiro, Demon Slayer

Doublestrike
Hinokami Kagura —
Whenever Tanjiro attacks, you may pay
{1}{u/r}{u/r}.
If you do, he gains trample and gets +2/+2
until end of turn, and must be blocked if
possible.
Creatures blocking Tanjiro do not untap
during their controllers next untap step.