You typically cant even participate in tournaments if your sleeves are see-through, even if theres no other evidence of marking in your deck
By creating 1/1 human tokens each turn, it provides blockers, sacrifice fodder, or incremental threats when games go long
She gains a loyalty counter to create a 1/1 creature token (which automatically becomes two), she adds a +1/+1 counter on all of your creatures AND gives them flying until your next turn (all for free), or she can sacrifice three loyalty counters to destroy a target creature of mana value three or greater
Be smart, keep safe
Or, pay a blue, tap, and sacrifice it when a library has 20 or fewer cards to play the removed card without paying its mana cost
At the end of your turn, an opponent of your choice loses life equal to the life theyve already lost