Beledros Witherbloom

Flying, Menace.
At the beginning of each upkeep, create 2
1/1 pest tokens.
Whenever a nontoken creature dies, gain 1 life.
Pay 10 life: Untap all lands you control.
Pay 1 life: Learn.
Activate either of these abilities only once per turn.
Black and Green spells you cast cost {1} less to cast
and cannot be countered.