Seliana Supply Cache

{t}: Add 1 of any colour to your mana pool
{4}{t}: Choose any number of players and/or permanents that have counters on them, then
remove one of each kind of counter that are
already there on these players or permanents
Seliana Suply Cache is an area built to defend Seliana
from Velkhana. The arena is equiped with multiple defense/fort equipment with the notable giant gate and
the Dragonrazer