Kerplunk provides trample to all your creatures, not just Chocobos, so your creatures with naturally high stats become bigger threats
Switch out one card at a time, consider how you could have avoided the outcome and keep that at the front of your mind in the next game
Others are dual lands, and yet others are triomes (can produce three different colors of mana) which are awesome for decks trying to cast multicolored cards
The turn after that, it'll be 19,998 counters
It depicts Elsa striding into the unknown, surrounded by swirls of magic and is one of the new dual ink cards, being an amethyst/sapphire mix
Each creature you tap while casting this spell pays for 1 or one mana of that creatures color.) At the beginning of combat on your turn, look at the top five cards of your library