Mijae Djinn

Whenever Mijae Djinn attacks, flip a coin. If you lose the flip, remove Mijae Djinn from combat and tap it.

Magnetic Mountain

Blue creatures don’t untap during their controllers’ untap steps.
At the beginning of each player’s upkeep, that player may choose any number of tapped blue creatures they control and pay for each creature chosen this way. If the player does, untap those creatures.

Wyluli Wolf

: Target creature gets +1/+1 until end of turn.