Silas Reynar, Master Mesmer

Flash
Whenever Silas Reynar, Master Mesmer blocks
or becomes blocked, roll a d20.
1-9 | Silas Reynar, Master Mesmer gets +1/+1
until end of turn.
10-19 | It gets +1/+1 and gains deathtouch until
end of turn.
20 | It gets +1/+1 and gains deathtouch and indestructible until end of turn.
{u/b}{u/b}, {t}: Scry 2.