The top products to pick up are either a Battle Deck or the Battle Academy starter set
This card has seen print across multiple preconstructed Commander decks as a testament to its playability
If that card is manifested, you can turn it face up instead, which is solid, especially if the manifested creature costs a ton of mana
Planes usually have two important parts: A main ability which can be a continuous effect, such as Tazeem in Zendikar (whose ability is that creatures can't block while this plane is active), or a triggered ability, such as Undercity Reaches from Ravnica (which allows the controller to draw a card each time one of their creatures deals combat damage to a player)
After all, according to Wizards of the Coast, these cards are for fun and havent undergone rules scrutiny. If were realistic, this means that Conjure is no closer to being a paper-playable MTG mechanic