# Keywords

Aetherian You cannot cast this card if you control a non-Aetherian Entity. Lesson →
Defender Your opponent must choose an Entity with Defender as the blocker, if that Entity can block. Lesson →
Epic You can play only one Epic card per game. Lesson →
First Strike This Entity deals combat damage before other Entities. Lesson →
Impervious This card cannot be targeted by your opponent's effects. Lesson →
Impulse You may play this card, or use this effect, at fast speed. Lesson →
Indestructible This Entity cannot be destroyed, or be damaged. Lesson →
Limit X This effect, or card, can only be used X times per turn. Lesson →
Lock X This Entity cannot attack or block until the end of X turns. Lesson →
Marker X If this card has X markers, it gets the effect. Lesson →
Predator When this card is created, destroy any Entities with Prey, then gain them as markers (this uses them as Prey). Lesson →
Prey When this card is used as Prey (for the Predator effect), perform the effect. Lesson →
Ranged Entities without Ranged do not deal combat damage to this attacking Entity. Lesson →
Rush This Entity can attack the turn it enters a slot. Lesson →
Shield X Prevent the next X damage that would be dealt to target Entity. Lesson →
Storm This Entity can attack Entities the turn it enters a slot. Lesson →
Unique No more than one copy of this named card can be on your side of the field. Lesson →
Upkeep X Destroy this permanent at the end of your turn unless you pay its upkeep cost. Lesson →