Boronous, The Basilisk of Brem

Deathtouch and Haste
{3}{u}
create 2 0/3 stone Creatures with deathtouch
{t} Boronous, The Basilisk of Brem deals 20 damage to target creature,
add {g/u}{g/u}{g/u}{g/u}{g/u}{g/u}{g/u}{g/u} to your mana pool.
{t}{x} how many mana you tap this creature gains that much strength until end of turn