
FlyingFlyingCan only be blocked by creatures with flying or reach.
At the beginning of combat on your turn, if you have a full partyfull partyYour party is up to one each of Cleric, Rogue, Warrior and Wizard among creatures you control. Four makes a full party., choose target nonland permanent an opponent controls. Until your next turn, it can't attack or block, and its activated abilities can't be activated.
Sacrifice Linvala: Choose hexproof or indestructible. Creatures you control gain that ability until end of turn.
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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.