Both of those cards untap permanents in general which includes lands, creatures, enchantments, artifacts, and even planeswalkers, but many cards specialize in specific permanent types
It cannot attack you or be sacrificed
Freyalise can: +2: Make a 1/1 Elf Druid token that can tap for one green mana -2: Destroy an artifact or enchantment -6: Draw a card for each green creature you control
Number 31 Language English Legal Formats Commander, Legacy, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Modern, Pauper, Pioneer, Standard, Timeless Rulings (10/4/2004) If you Donate an Aura, it stays where it is, but the targeted player now controls it.
It's similar to many other cards with this same structure, but the tokens it creates accelerate you, and they're self-sacrificing if you just need more triggers for your Zulaport Cutthroat or what have you