TBD

When TBD enters the battlefield, for each of your creatures:
- Put a +1/+1 counter on it and it gains lifelink
until end of turn if it it's white.
- It gets +2/+2 and gains trample until end of
turn if it's green.
- It gains deathtouch and "This creature must be
blocked this turn if able." until end of turn if
it's black.