[casthaven]Yisan, the Wanderer Bard[/casthaven] does the exact same thing [casthaven]Birthing Pod[/casthaven] does without requiring the sacrifice of a creature, but does so at such a slower speed, higher cost, and on a more fragile permanent type that its likely never going to be broken
It can be cast for its normal cost, or with the additional cost
Shortcuts: Set Population, Checklist by #, Most Expensive Show Historic Prices You own: 0 / 537 items 0% Track your collection for free Average ungraded base card value (excludes variants) for Magic Zendikar | Compare vs
It modifies how you're able to pay for the cost of a card, but doesn't actually change what that cost is
A: The 25th anniversary shows clear precedent: Golden Box +680%, vintage cards +30-50%, promos like PSA 10 Pikachu $200 to $1,200