You'll almost never cast Bloodghast from your hand as it's almost always easier to simply discard it or dredge it over, then put it into play for free by playing a land
Two-for-ones are great when the cards that make up their bonuses are relevant to the game at hand
Incapsula incident ID: 567000120635445392-109984792408687402
When the spell or ability resolves, it checks the targets to make sure theyre still legal (that is, theyre still there and they still match the requirements of the spell or ability)
One holo card is guaranteed in a pack of three, so getting the holos you want wont be difficult
It is this insurance style of use that helps reduce random screws deciding games however it probably doesn't outweigh the increase of random wins from when it is being used in its intended capacity, the old turn one Mox, Slith Firewalker on the play used to be so good