
If you would get one or more poison counterspoison countersA player with ten or more poison counters loses the game., instead you get one poison counterpoison counterA player with ten or more poison counters loses the game. and you can't get additional poison counterspoison countersA player with ten or more poison counters loses the game. this turn.
Exile Melira: Choose another target creature or artifact. When it's put into a graveyard this turn, return that card to the battlefield under its owner's control.
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.