Only after identifying the set, language, drop shadow, card number, and print variation can you determine which version it is and what it should be compared against.
In fact, that's generally how you want to play Curse in any matchup, not just Infect
You can also see Dungeons & Dragons labeled in the upper-left corner, and you can see that theres Dungeon Module R12 above, and below the card title has the text, An adventure for character levels 17-20
Bre of Clan Stoutarm Boros (Red/White) Giant Tribal Bre of Clan Stoutarm is a Boros lifegain commander that feels tailor-made for Giant tribal
Once a ward ability of another Frog has triggered, causing it to lose ward by removing Long River Lurker or changing its creature types won't affect that ability