Vandalblast, on the other hand, has seen significant Commander play for years
2Magic: The Gathering Arenacode cards (1 per deck, only available in select regions)
White has a giant selection of cards that can accomplish boosting up power at instant speed, which allows you to pump Glen after your opponent's declared their flimsy small blockers (or none at all), but before the damage actually goes through
Do note that tournaments and other official events, unless marked as casual, will have a fairly firm stance on what cards can be used, with set codes on each card that will show whether or not theyre currently legal for competitive play
For example, Bite of the Black Rose forces your opponents to discard two cards in the event of a tie
Landfall is a potent ability word to tie onto energy production and the ability to spend 8 on any permanent is really good