You can then play lands and cast spells from their hand
The first activation of the ability will still resolve.

The commons sheet looks as follows (dagger marks indicate beginning/end is not known): Staryu, Skiploom, Geodude, Snubbull, Goldeen, Remoraid, Zubat, Quagsire, Farfetchd, Swinub, Slugma, Paras, Old Rod, Smoochum, Aipom, Murkrow, Staryu, Chinchou, Shuckle, Qwilfish, Skiploom, Geodude, Unown K, Remoraid, Quagsire, Snubbull, Slugma, Zubat, Goldeen, Aipom, Old Rod, Farfetchd, Smoochum, Swinub, Paras, Chinchou, Qwilfish, Murkrow, Unown K, Shuckle, Staryu, Skiploom, Geodude, Goldeen, Remoraid, Snubbull, Zubat, Farfetchd, Swinub, Quagsire, Slugma, Old Rod, Smoochum, Paras, Aipom, Staryu, Chinchou, Murkrow, Shuckle, Skiploom, Geodude, Qwilfish, Unown K, Zubat, Goldeen, Snubbull, Slugma, Remoraid, Quagsire, Swinub, Aipom, Farfetchd, Paras, Smoochum, Murkrow, Old Rod, Chinchou, Shuckle, Staryu, Unown K, Geodude, Qwilfish, Skiploom, Zubat, Snubbull, Remoraid, Goldeen, Slugma, Quagsire, Swinub, Farfetchd, Aipom, Paras, Zubat, Smoochum, Old Rod, Shuckle, Murkrow, Chinchou, Staryu, Unown K, Qwilfish, Geodude, Skiploom, Remoraid, Snubbull, Zubat, Quagsire, Slugma, Goldeen, Aipom, Farfetchd, Swinub, Old Rod, Smoochum, Paras, Chinchou, Murkrow, Shuckle, Qwilfish, Unown K The next set, Neo Destiny, will feature the first cards that are rarer than holos

Giant Infiltrator 4R Creature - Giant Shapeshifter 3/2 First strike While CARDNAME is in play, it gains all the creature types of any creature you control
The energy commander of the Creative Energy MH3 Commander precon, Satya having menace and high toughness will make it a little easier to get off its attack trigger, and especially if youre copying creatures your opponents would rather block instead