If it becomes a copy of an Equipment and is attached to a creature, it'll become unattached when it becomes a non-Equipment, non-Aura permanent
The hand is what they are currently focusing on mentally
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That means the chance of getting a basic land instead of a regular card would be different for each rarity: 4.13% for rares, 21.5% uncommons and 38.84% for commons (Source)
You have some synergies with lifegain and +1/+1 counters, and in some decks, youll be able to protect and buff your whole army from the lifegain synergies alone
(It is every creature type.) Changelings cant remember where they came from
