Mana acceleration, abundant card draw, and game-ending combos are common
Lets say you have 26 lands in your deck, and youve played half of those and have seven other cards not in your deck (either in hand or in play), youve basically moved from 43,33% to 32,5% of lands in your deck
The only downside is you can't mass remove tokens
Designed to be played in the table-top game, the small illustration on a card helps to distinguish it, with far more space given to the details of its attacks, HP, restrictions, and retreat costs
(Damage causes loss of life.) If a card would be put into your graveyard from anywhere, exile it instead
Finally, if you're looking for removal that can also act as a finisher there's Comet Storm, the newest, sauciest fireball variant