Once the Battle card has been defeated meaning that all of its defense counters have been removed the card is exiled and the reverse side is cast
Most Stage 2 Pokemon can withstand a hit from Machamp, its crucial to get Machamp on the field while its previous forms are dealing damage before opponents establish an energy engine to sustain their stronger attackers
(This was before opaque card sleeves were a big thing.) Eventually the logistics of the new mechanic killed it
It picks up all your legendary creatures and planeswalkers, but even random artifacts, lands, and anything else with legendary tacked onto its type line
Card Name Mana Cost Type Creature Demon Rarity Mythic Rare rules Text FlyingWhen this creature enters, all other creatures get -2/-2 until end of turn.Whenever another creature dies, you get (an energy counter) ., Pay : Put target creature card from a graveyard onto the battlefield under your control tapped
The classic 151 and Neo Genesis ones round out a really nice collection