You need to gift your opponent a card in order to get the full benefit of the spell, but it does also come with added hexproof for the person casting it
At least before it also ate the ban in Legacy, though it still sees Vintage play currently
The optimal manabase is likely four Riverpyre Verge, four Spirebluff Canal, and a couple of Thundering Falls and perhaps a Soulstone Sanctuary or two for value, but this adds a ton to the budget

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In blue, Enduring Curiosity offers a similar effect with flash, and it even sticks around as an enchantment when it dies
Trample is an evergreen keyword ability that Im sure were all familiar with