Doubling Cube - Fifth Dawn (5DN){3}, {T}: Double the amount of each type of unspent mana you have. The cube's surface is pockmarked with jagged runes that seem to shift when unobserved.

Khalni druid

this isn't a creature

*Principia*

Enchanted creature gets +20/+20

and creatures you control can't be the targets of blue or black spells this turn

you may counter target spell unless its controller pays {1}

There is some force at work that stifles even the will to go on

Exile the top six cards of your library

it means that the throne is destined to be yours

We will overcome the uncertainties of this new life

Whenever an opponent plays a land

Its controller gains 3 life