Can enchantments be tapped?

Yes you can. It won't really do anything to the enchantment (it will still work just fine even if it's tapped), but you can do it.

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Keeping this in consideration, is a saga a permanent?

A card, spell, or permanent is historic if it has the legendary supertype, the artifact card type, or the Saga subtype. And if a card meets two of the above criteria, like a legendary artifact? It's no more historic than any other historic card. They are both simply historic. Also, is a swamp a black permanent? Anything that has black in the casting cost, and is enchantment, creature, land, etc, right? Lands are usually colourless. A swamp is not black unless something else (e.g. Deathlace) makes it black.

Is a swamp a black card?

Does Swamp count? No. It has no mana cost, meaning it has no black mana symbols in its mana cost, so it is not black. Can a Planeswalker block? No it can't. Planeswalkers can be attacked directly just like players, but only creatures can block. A Planeswalker isn't a creature. Only creatures can attack or block.

One may also ask are lands spells mtg?

Playing a land is a special action; it doesn't use the stack (see rule 116). Rather, the player simply puts the land onto the battlefield. Since the land doesn't go on the stack, it is never a spell, and players can't respond to it with instants or activated abilities. How many lands should be in a 60 card deck? 24 lands The basic rule of thumb is that you play 17-18 lands in a 40 card deck, and 24 lands in a 60 card deck. If you are playing more than a couple cards with mana costs of five or higher, increase the number of lands.

Are tokens permanents?

Yes, tokens on the battlefield are permanents.