Paladin Class

(Gain the next level as a sorcery to add its ability.)
Spells your opponents cast during your turn
cost {1} more to cast.

{2}{w}: Level 2 -Creatures you control get +1/+1.
{4}{w}: Level 3 -Whenever you attack, until end
of turn, target attacking creature gets +1/+1 for each
other attacking creature and gains double strike.