If you cast Beanstalk Giant, it goes on the stack as you'd expect a creature spell to, it can be countered or responded to as normal, andas long as it resolvesit will enter the battlefield under your control
These are all very playable, particular in cEDH, the faster and more interactive way to play Commander
Magnemite L - Lightning Ball 20 Magneton Ability - Overvolt Discharge Once during your turn, you may attach up to 3 Basic Energy cards from your discard pile to your Lightning Pokmon in any way you like
Here are the current price tags for these cards, in order of value: Jace, the Mind Sculptor: $100 Rishadan Port: $95 Force of Will: $70 Emrakul, the Aeons Torn: $40 Leovold, Emissary of Trest: $38 Phryrexian Obliterator: $30 Demonic Tutor: $30 Land Tax: $24 Vengevine: $20 Scourge of the Throne: $20 Umezawas Jitte: $20 Platinum Emperion: $18 Elspeth, Suns Champion: $10 Nicol Bolas, Planeswalker: $8 Koth of the Hammer: $8 This set of fifteen mythics would give us a grand total of $553, which is about 17% higher than the value of the MM17 mythics heading into spoilers
