You can use the lore tracker included with the Disney Lorcana starter decks, the games official companion app or simply another way of counting to 20, such as a dice or piece of paper
Being able to draw a card every time you cast or copy an instant or sorcery is an easy way to get card advantage
0093_MTGMB2_WhiteRep: Uro, Titan of Nature's Wrath 0115_MTGMB2_WhiteRep: Wasteland 0058_MTGMB2_WhiteRep: Goblin Guide The change in border does not alter the legality of these cards, and they are legal for play wherever their black-bordered counterparts are
Since its combat trigger puts counters on itself, it scales just as quick as your board
We're mainly steering clear of this collection for this list, since their prices seem less predictable, and many of the rarest cards in the eternal set already seem to be dropping in value
this strategy of taking advantage of a technicality is considered unsportsmanlike enough to warrant banning cards that promote them too heavily