Blake the KOB God

Yeet/Oof: whenever a player casts an instant or
sorcery card, the owner rolls 1d20.
If 1, spells effects are reversed.
If 20, effects are doubled.
{x}Counter Roll: whenever an opposing player
casts a spell you may pay X and roll 1d20.
If roll > X add +X/+X counter to Blake.
If roll < X add X +1/+1 counters to target
creature and counter the casted spell.