Hilda allows players to add a Special Energy card and an evolution Pokmon from the deck to the hand
Iono forces both players to shuffle their hand before placing it on the bottom of the deck before drawing a number of cards equal to the number of prize cards that a player has remaining
If you order proxies primarily for financial reasons, it's hard to argue with those prices
Some classics include Voja, Jaws of the Conclave and Rin and Seri, Inseparable because of their abilities
In fact, her three abilities seem to presage the Planeswalkers later on
However, if a single creature you control with lifelink deals combat damage to multiple creatures, players, and/or planeswalkers at the same time (perhaps because it has trample or was blocked by more than one creature), the ability will apply only once