
MountaincyclingMountaincycling, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.
(
, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.)
BackupBackupWhen this creature enters, put two +1/+1 counters on target creature. If that's another creature, it gains the following ability until end of turn. 2 (When this creature enters, put two +1/+1 counters on target creature. If that's another creature, it gains the following ability until end of turn.)
TrampleTrampleExcess combat damage it deals to a blocker carries over to the player or planeswalker it's attacking.
Hover an underlined rule to see what it means.
Read from the rules text. A card that enables a keyword makes or is the thing; a card that rewards it gets better when you have it. Two cards interact when one enables what the other rewards.