Rules Text

When Ironshell Beetle enters the battlefield, put a +1/+1 counter on target creature.

Reach (This creature can block creatures with flying.)

Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.)
Target creature gets +3/+3 until end of turn.

Target creature you control fights target creature you don't control. (Each deals damage equal to its power to the other.)

Undergrowth — When Vigorspore Wurm enters the battlefield, target creature gains vigilance and gets +X/+X until end of turn, where X is the number of creature cards in your graveyard.
Vigorspore Wurm can't be blocked by more…