It will be better in the later game, or if you have managed a few extra, differently named lands
According to When the manga started, creator Kazuki Takahashi had no idea that the card game he made for it would go on to be as popular as it is
So unless they can deal with this monster first (difficult considering the whole field wipe thing), you can hit them with this effect over and over
Open this Target Pokmon card page: [paste URL]
$1.99 Summon: Primal Odin Final Fantasy $1.29 Master of the Pearl Trident The Lost Caverns of Ixalan Commander Decks $1.29 Whelming Wave Born of the Gods $0.49 Jill, Shiva's Dominant Final Fantasy $19.99 Spawning Kraken Commander 2021 $1.79 Arixmethes, Slumbering Isle Duskmourn: House of Horror Commander Decks $0.69 Stormsurge Kraken Commander Masters $0.79 Slinn Voda, the Rising Deep Dominaria $2.29 Summon: Titan Final Fantasy $2.29 Starwinder Edge of Eternities $1.99 Benthic Anomaly Modern Horizons 3 Commander Decks $0.49 Sin, Unending Cataclysm Final Fantasy Commander Decks 0 results found
There are 12 cards to collect in total, so don't surprised if it takes you a while to collect them all