Magikarp

Evolution, Defender
Whenever Magikarp is dealt damage, put that many
Aggro counters on Magikarp.
Remove 10 Aggro counters and evolve Magikarp
———{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}{line}
Evolution: Magikarp no longer has Defender.
Magikarp gains Trample and Vigilance.
Magikarp's base power and toughness is now 8/8
{u}{u}{u}{t}: Target player discards half their hand
rounded up.