mtg opening hand cards Rules Text: is, in, your, opening, hand,, you, may, begin, the, game, with, it, on, the, b..., 18 cards

That means 12 total in the first six months alone

5-Row Giant Capacity: Store 3900+ Cards! This premium trading card storage box holds up to 3900+ unsleeved cards,1800+ double-sleeved cards,or 800+ top-loaded cards (Not suits for 35PT magnetic card holder, PSA graded sleeve)

Enchant creature Cumulative upkeep (At the beginning of your upkeep, put an age counter on this permanent, then sacrifice it unless you pay its upkeep cost for each age counter on it.) Enchanted creature's controller can't cast creature spells.

Flying, vigilance Ceaseless Tempest - Whenever Storm deals combat damage to a player, the next instant or sorcery spell you cast this turn has storm