Trying to give each opponent 12 poison counters or creating a large amount tokens at once crashes the game. In commander league this bug does not award a win. It instead gives the message ""Sorry, Magic Online has encountered an error...will attempt to replay until last known stable state".
The client doesn't let me consume Jegantha's mana to cast any coloured-pip spells. For example, if I try to cast Sliver Overlord, then it doesn't let me use any mana produced by Jegantha