Obelisk of Bolas

{t} Add 3 mana of your choice to your mana pool
unless you control a dragon then add 5 mana
{t}{r}{u}{b} Add one Bolas, or Elder Dragon type
card from you graveyard or deck to your hand
{t}{w}{g} Target dragon gains lifelink and trample
"No multiverse is safe from our Gods benevolent
wrath"-High Priest of Bolas