Fá and Dó, Scholars of Majiq

Whenever a creature you control dies, you can
choose between buy a Card, Gain 2 life or
place a -1 / -1 marker on target creature
Spells that target your spells cost {2} more to cast,
spells that target your creatures cost {1} less to cast
—
"I see you'll never not be needing more from me,
I might admire such cupidity but it's love - or stupidity?"