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Whenever The Goose Mother attacks, you may sacrifice a Food

While vigilance is an evergreen mechanic, and so doesn't get specific support for decks in the same way mutate or ninjutsu might, there are still some interesting ways to use it

What Are the rules for The Initiative in MTG

When TChalla attacks, he creates an indestructible Vibranium token that taps for colorless mana you can use to cast artifact spells

You get to draw X cards when you cast it, but you also get to gain X life

This caused a backlash, but Wizards has pledged to ensure that these limited, mechanically unique cards are reprinted in Magic flavor in the future