When Thalia's Lieutenant enters, put a +1/+1 counter on each other Human you control.Whenever another Human you control enters, put a +1/+1 counter on Thalia's Lieutenant.
Search your library for up to two basic land cards, reveal those cards, put one onto the battlefield tapped and the other into your hand, then shuffle.
Vigilance, hasteKelsien, the Plague gets +1/+1 for each experience counter you have.: Kelsien deals 1 damage to target creature you don't control. When that creature dies this turn, you get an experience counter.
Multikicker (You may pay an additional any number of times as you cast this spell.)Choose any target, then choose another target for each time this spell was kicked. Comet Storm deals X damage to each of them.
FlyingWhenever an opponent draws a card except the first one they draw in each of their draw steps, create a 1/1 green Snake creature token.Whenever Xyris, the Writhing Storm deals combat damage to a player, you and that player each draw that many cards.
Mutate (If you cast this spell for its mutate cost, put it over or under target non-Human creature you own. They mutate into the creature on top plus all abilities from under it.)TrampleWhenever this creature deals combat damage to a player, return target creature card with mutate from your graveyard to your hand.
Manascape Refractor enters tapped.Manascape Refractor has all activated abilities of all lands on the battlefield.You may spend mana as though it were mana of any color to pay the activation costs of Manascape Refractor's abilities.
Deathtouch: Add two mana of any one color.Whenever you cast a spell with in its mana cost, create a 0/0 green Hydra creature token, then put X +1/+1 counters on it.