Shanna can't be the target of abilities your opponents control. Shanna gets +1/+1 for each creature you control.

Whenever a creature you control enters, draw a card if its power is 3 or greater. Otherwise, put two +1/+1 counters on it.

Creatures you control get +1/+1.

Landfall — Whenever a land you control enters, create a 1/1 green Insect creature token. If you control six or more lands, create a token that's a copy of this creature instead.

At the beginning of your end step, each opponent loses life equal to the number of tapped creatures you control.

Choose one. If you control a commander as you cast this spell, you may choose both instead. • Creatures you control gain flying, vigilance, and double strike until end of turn. • Creatures you control gain lifelink, indestructible, and protection from each color until end of turn.

(Gain the next level as a sorcery to add its ability.) At the beginning of combat on your turn, put a +1/+1 counter on target creature you control. {G}: Level 2 Permanents you control with counters on them have ward {1}. {3}{G}: Level 3 If you would put one or more counters on a permanent or player, put twice that many of each of those kinds of counters on that permanent or player instead.

During your turn, this creature has first strike. (It deals combat damage before creatures without first strike.) During your turn, creatures you control with +1/+1 counters on them have first strike.

Flash {1}, Sacrifice this creature: Destroy target artifact or enchantment.