Just duel in the campaign and special modes, and you'll get some, even if you forfeit (consolidation prize)
Two mana repeated blinks can outpace your opponents in value quickly, and if you blink something like Peregrine Drake you can generate infinite mana
C Common Creature Swap X SPELL Each player chooses 1 monster they control and switches control of those monsters with each other
Of course, auctions can also spiral above market price when two bidders get competitive
The enchanted version has Ursula singing into a sea shell microphone, with Flotsam and Jetsam twirling around her
Read More: MTG Players Disappointed by New Unfinished Artwork Kenrith, the Returned King Kenrith, the Returned King, is a five mana White 5/5 with one ability in each color